Category: Behind The Black

New research expands lethal zone around supernovae

9:58 am

According to data collected from a number of orbiting space X-ray telescopes, astronomers now believe that the lethal zone for nearby habitable planets when a supernova explodes is much larger than previously thought, as great as almost 200 light years.

The calculations in this latest study are based on X-ray observations of 31 supernovae and their aftermath mostly obtained from Chandra, NASA’s Swift and NuSTAR missions, and ESA’s (European Space Agency’s) XMM-Newton. The analysis of these observations shows that there can be lethal consequences from supernovae interacting with their surroundings, for planets located as much as about 160 light-years away. “If a torrent of X-rays sweeps over a nearby planet, the radiation would severely alter the planet’s atmospheric chemistry,” said Ian Brunton of the University of Illinois at Urbana-Champaign who led the study. “For an Earth-like planet, this process could wipe out a significant portion of ozone, which ultimately protects life from the dangerous ultraviolet radiation of its host star.”

You can read the paper here [pdf], which includes a figure that suggests in certain circumstances the lethal zone can be 200 light years across. As the scientists note:

Perhaps the most interesting results are the distances at which the X-ray emission can impose lethal effects on an Earth-like biosphere. This larger range of influence has consequences for the Galactic habitable zone, such as the harmful implications for recently discovered exoplanets that would be susceptible to nearby [supernovae].

In other words, this data suggests the galaxy is far less hospitable to the development of life. It takes a lot of time for life to evolve, billions of years, and during that time a solar system traveling through the galaxy has now a much higher chance of passing too close to a supernova explosion.

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Aerojet Rocketdyne wins contract from Lockheed Martin to build more Orion engines

8:22 am

Aerojet Rocketdyne announced yesterday that it has been awarded a new $67 million contract from Lockheed Martin to build the Orion propulsion engines for Artemis missions six though eight.

This contract option includes delivery of three additional sets of Orion’s service module auxiliary engines and three additional jettison motors. The eight auxiliary engines each produce 105 pounds of thrust to help maintain Orion’s in-space trajectory and position, and supplement the Orion Main Engine. The jettison motor, located on Orion’s Launch Abort System (LAS), generates 40,000 pounds of thrust to separate the LAS from the crew module during both nominal operations and abort scenarios, allowing the spacecraft to continue on its journey. The jettison motor is the only motor on the LAS that fires during every mission.

These Artemis missions are not expected to occur until very late in this decade, by which time Starship will likely be making regular commercial trips to the Moon. At that time Orion will look increasingly ridiculous next to Starship, and will demonstrate starkly the difference in what government can do versus a free private sector.

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ULA delays first launch of Vulcan to June at the earliest

8:11 am

Peregrine landing site

An official from Astrobotics confirmed this week that an explosion during testing of the Centaur upper stage of its new Vulcan rocket will delay that rocket’s first launch for at least one to two months, from May to June or July.

On March 29, Tory Bruno, the CEO of Colorado-based spacecraft makers United Launch Alliance LLC, announced on his personal Twitter account that ULA’s Vulcan Centaur V rocket had experienced “an anomaly,” which preceded a tweet he shared on April 13 that showed a video of an explosion that occurred outside of a testing rig that housed the ULA rocket. He alluded to a hydrogen-related leak as being a possible culprit and in response the next day to other replies, Bruno said in a tweet that “June/July” will be the next earliest estimated launch timeline.

That timeline is the same one that John Thornton, CEO of North Side-based Astrobotic, shared during a speech as part of a kickoff event for the Aviation and Robotics Summit in the Strip District on Tuesday.

The main payload on that Vulcan inaugural launch is Astrobotic’s Peregrine lunar lander, carrying several NASA science instruments to the Gruithusien Domes region on the Moon, as indicated by the white dot on the picture above.

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Rocket Lab to reuse previously flown engine on upcoming launch

7:59 am

Rocket Lab engineers, having tested a previously flown Rutherford engine numerous times after recovering it from a launch in May 2022, have now approved that engine for reflight, and are inserting into their Electron rocket assembly line for launch sometime in the third quarter of this year.

The company also revealed that it has now completely abandoned the use of a helicopter in first stage recovery, and will instead pick up all first stages after they have splashed down in the ocean.

Extensive analysis of returned stages shows that Electron withstands an ocean splashdown and engineers expect future complete stages to pass qualification and acceptance testing for re-flight with minimal refurbishment. As a result, Rocket Lab is moving forward with marine operations as the primary method of recovering Electron for re-flight. This is expected to take the number of Electron missions suitable for recovery from around 50% to between 60-70% of missions due to fewer weather constraints faced by marine recovery vs mid-air capture, while also reducing costs associated with helicopter operations.

Rocket Lab will assess the opportunities for flying a complete pre-flown first stage booster following the launch of the pre-flown Rutherford engine in the third quarter this year.

Rocket Lab is presently the only operational American company besides SpaceX that is aggressively pursuing reuse of its rocket. ULA says it wishes to recover and reuse the engines of its still-unflown Vulcan rocket, but development of this concept has been very slow. Many other new companies claim their rockets will be reusable, but none has yet even launched.

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North Korea claims it is about to launch a spy satellite

7:49 am

According to statements by North Korea’s dictator Kim Jong-un published in its state-run press, that country is only weeks away from launching a spy satellite into orbit.

[S]ome observers said the North may attempt to launch the satellite ahead of President Yoon Suk Yeol’s upcoming state visit to the U.S. later this month. “There is a high possibility that North Korea may attempt a launch around April 23-24, on the basis that weather conditions are favorable, to show off that it has the upper hand on the Korean Peninsula issue by putting it on the table during the South Korea-U.S. summit,” Yang Mu-jin, president of the University of North Korean Studies, said.

Some observers, however, projected that it will take a few more months for the North to put the satellite into orbit given the time needed for technical preparations.

North Korea has completed two previous orbital launches, using its solid-fueled rocket missile technology. It is presently unclear if this new launch will use the same, or fly something new.

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Ohio local authorities approves land sale for future private astronaut training facility

7:44 am

The local city council in Brook Park, Ohio, yesterday approved by a vote of 7-0 the purchase of nearly thirteen acres by the British company Blue Abyess to allow it to quickly build its proposed private astronaut training facility.

The Brook Park location will be built around a very large, 150-foot deep, multi-level pool. It’s an area that can replicate what life would be like in outer space and allow for the necessary training, dubbed astronaut boot camp for space exploration. “They’re not swimming pools. They’re aimed at industry, whether that’s marine offshore energy, maritime defense, subsea technology, human performance in extreme environments, or how do humans cope with green space environments,” Vickers said.

Officials say this project could be a huge economic driver, potentially bringing more than 100 jobs to the area.
In addition, it will likely generate major interest from tourists.

The facility will also include a hotel for those private astronauts, whether commercial or tourist. Located next to the Glenn Research Center, the company hopes to provide its services to both the public and NASA.

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Superheavy/Starship clears tower but fails at stage separation

7:06 am

Starship and Superheavy, having just cleared the tower
Starship and Superheavy, having just cleared the tower

In a spectacular first orbital launch attempt, SpaceX’s Superheavy and Starship successfully lifted off, clearing the tower and continuing through max-Q (maximum dynamic pressure). It then reached about 24 miles altitude when the rocket began to slowly spinn just prior to main engine cutoff and stage separation. At that point, because engine cutoff and separation had not occurred as planned, the engineering team used the flight termination system to destroy it so as to eliminate any risk to anyone on the ground.

As the announcers noted repeatedly, if the rocket simply cleared the tower they would consider this a magnificent success, considering that they had never fired Superheavy before in a real countdown. That Superheavy performed exactly as it should for almost its entire flight means SpaceX is that much closer to getting Starship into orbit than one would think at this stage of testing.
» Read more

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An ordinary person’s view of the Starship/Superheavy countdown

5:54 pm

Starship and Superheavy, stacked on the launchpad for launch

One of my readers, who wishes to go by is nickname Doubting Thomas on Behind the Black, went to Boca Chica earlier this week with the hope of seeing the live first orbital launch of Superheavy with Starship stacked on top. Unfortunately, the launch on April 17, 2023 was scrubbed, and he could not remain in Boca Chica for the now rescheduled launch early tomorrow morning on April 20th.

He sent me some pictures of that experience, however, which I post here with his permission. The best of course is the one to the right, of Starship stacked on Superheavy on the launchpad. This was taken before the roads were closed, and shows how incredibly close the general public can get to that launchpad simply by driving past on a public road.

The next few pictures give us a glimpse at the options people have for viewing future Boca Chica launches.
» Read more

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April 19, 2023 Quick space links

5:20 pm

Courtesy of BtB’s stringer Jay.

 

  • Blue Origin touts picture of the nozzles for its BE-7 engine

    • This is the engine the company has proposed for its Blue Moon manned lunar lander. As the first comment in the thread notes sardonically, “If you could launch something this century…”

 

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Today’s blacklisted Americans: NY bans whites from honoring American Indians in school nicknames

1:00 pm

American Indian banned by New York
The American Indian, banned by New York

They’re coming for you next: The education department of New York state has now ruled that all schools outside of Indian reservations must change the names of their schools and teams if they make any reference to American Indian culture or history.

In a November 2022 memo sent by the state, all school districts were ordered to stop using Native American-themed mascots, nicknames and logos by the end of the 2022-2023 school year or risk being in violation of the Dignity Act. Districts risk the removal of school officers and the withholding of state aid if the order is not followed.

That order required schools such as Oneida (Indians), Oriskany (Redskins), Richfield Springs (Indians), Sauquoit Valley (Indians), Waterville (Indians) and West Canada Valley (Indians) with nicknames directly linked to Native Americans to change.
» Read more

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Jumbled floor of ancient Martian channel

12:19 pm

Jumbled floor of ancient Martian channel
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on February 2, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO).

At first glance I thought I was looking at a variety of eroding glacial flows. I was completely wrong. This terrain is located on the floor of 900-mile-long Ares Vallis, thought to have been carved eons ago by some flow, either liquid catastrophic floods or glacial ice, but is now located in the very dry equatorial regions of Mars.

Then what caused these meandering ridges? The overview map below, plus the wider view of MRO’s context camera, provides us more data but little illumination. In fact, both leave us more questions and mysteries.
» Read more

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NASA’s Mars Sample Return project now overbudget

9:23 am

According to testimony by NASA’s administrator Bill Nelson to a Senate committee, its Mars Sample Return (MSR) project now needs a lot of additional funds in order to have any chance of staying on schedule.

Nelson told the Commerce-Justice-Science (CJS) subcommittee of the Senate Appropriations Committee today that he just learned two weeks ago during a visit to the Jet Propulsion Laboratory (JPL), which is building MSR, that they need an additional $250 million this year and an additional $250 million above the request for FY2024 to stay on schedule for launch in 2028.

That FY2024 request warns that the projections for future MSR funding requirements are likely to grow and force NASA to descope the mission or reduce funding for other science projects. NASA just set up a second [independent review board] to take another look at the program.

The project is already beginning to suck money from other science missions, such as solar and astronomy and the Dragonfly mission to Saturn’s moon Titan. In addition, its method for getting the samples back to Earth remains somewhat uncertain due to ESA’s decision to not build a lander/rover for the mission, requiring JPL to propose the use of helicopters instead.

I predict Congress will fund everything, by simply printing more money as it nonchalantly continues to grow the national debt to levels unsustainable. Meanwhile, replacing the present very complex return concept — involving a lander, helicopters, an ascent rocket, and a return capsule (from Europe) — with a much cheaper and simpler option that is now on the horizon, Starship, does not seem to have occurred to any of the these government wonks.

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ILC Dover to provide spacesuits and “softgoods” for Sierra Space’s LIFE space station

9:08 am

Sierra Space yesterday announced that it has signed a partnership deal with ILC Dover for it to provide spacesuits and other “softgoods” for Sierra Space’s LIFE space station, including helping to build the station’s inflatable modules.

ILC Dover will be an exclusive partner with Sierra Space for softgoods used to support inflatable space habitat systems for low-Earth orbit (LEO), lunar and Mars transport and surface habitation, and use cases even farther into deep space.

The two companies have already been working together on the development and testing of Sierra Space’s first prototype inflatable modules.

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Axiom offers package space program deals for other countries

9:01 am

The private space station and human spaceflight company Axiom announced this week a set of package space program deals it is marketing to other countries.

In the base tier, Axiom provides countries with advice and insight, and gives those countries priority access on upcoming missions. The second tier enables research and development activities by counties. The third tier offers human spaceflight missions on a regular basis. A fourth tier offers countries the ability to co-develop parts of Axiom’s station.

The first country to join the program is Azerbaijan, which will work with Axiom on satellite solutions and inspiring students to pursue space research and development activities. New Zealand and Uzbekistan are also participating, as well as Rakia Mission, an Israeli space education and research organization involved with the Ax-1 private astronaut mission to the ISS a year ago. Italy is another nation working with Axiom through a partnership that dates back to 2018. An Italian astronaut is slated to fly on Axiom’s Ax-3 mission to the ISS, currently scheduled for late 2023. Two astronauts from Saudi Arabia are flying on the Ax-2 mission in May.

The company also notes that it has found its customers divide into three components, government, private citizens, and corporations. At present this is their order in terms of market share, though the company thinks that corporations will eventually become its biggest customer.

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SpaceX launches 21 second generation Starlink satellites

8:47 am

SpaceX this morning successfully used its Falcon 9 rocket from Cape Canaveral to launch 21 second generation Starlink satellites into orbit.

The first stage successfully completed its eighth flight, landing on a drone ship in the Atlantic.

The leaders in the 2023 launch race:

25 SpaceX
16 China
6 Russia
3 Rocket Lab

American private enterprise now leads China 28 to 16 in the national rankings, and the entire world combined 28 to 27. SpaceX now trails the entire world, including American companies, 25 to 30.

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April 18, 2023 Quick space links

5:19 pm

Courtesy of BtB’s stringer Jay.

 

 

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Modern bigotry in Canada: Simon Fraser University declares math “racist”

1:52 pm

One of many such workshops at Simon Fraser U
One of many such workshops at Simon Fraser University

The modern dark age: Simon Fraser University in Canada (SFU) has an Equity, Diversity and Inclusion learning group in its math office, and it appears that this office is today running a seminar, in partnership with the Simon Fraser Public Interest Group (SFPIRG), asking the important question, “How can math be racist?”, led by two modern “scholars” with no training in math at all.

Those set to speak at the seminar are Hannah Ghaderi, Co-Directory of Research & Education of the interest group, and Chantelle Spicer, currently the Director of Engagement [of SFU’s math Equity, Diversity and Inclusion learning group]. Neither of these individuals appear to have any professional background in math. Mathematician James Lindsay told Human Events that it is likely better that these two DEI professionals did not have a math background.

Lindsay said: “They don’t need mathematics backgrounds. They have critical consciousness, which means they know how racism and transphobia are hidden in everything, even things they don’t know anything about.”

No, actual math has nothing to do with this seminar. SFPIRG makes a big deal on its website about how it isn’t partisan, but yet its mission is “to engage students in social and environmental justice.” Or as it states in great length one paragraph later:
» Read more

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The peeling floor of a crater in the southern cratered highlands

12:00 pm

Overview map
From Argyre Basin to Hellas Basin is about 7,000 miles.

The peeling floor of a crater in the southern cratered highlands of Mars
Click for original image.

Cool image time! The picture to the right, rotated, cropped, reduced, and sharpened to post here, was taken on February 25, 2023 by the high resolution camera on Mars Reconnaissance Orbiter (MRO).

The scientists labeled this image “Crater fill”, but that hardly suffices. First, the fill appears at first glance to resemble peeling paint. At closer inspection, rather than peeling paint we have instead a collection of ridges vaguely resembling cave rimstone dams that either enclose a blob-shaped region or simply meander about until they reach the crater’s interior rim.

The crater interior itself appears largely filled with material so that its rims are subdued. The location, as indicated by that black dot near the center of the overview map above, marks the location at 49 degrees south latitude, in the middle of the cratered southern highlands of Mars where many craters have strangely eroded interiors.

What makes this crater however more puzzling is that none of the surrounding nearby craters look like this. A context camera image taken March 23, 2019 shows that while some of the nearby craters have what appears to be glacial material in their interiors, none exhibit these meandering ridges. This crater stands unique, for reasons that are utterly unknown.

Are these ridges a manifestation of the glacial material filling the crater? Or are they bedrock sticking up through that glacial debris? Your guess is as good as mine.

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Ingenuity in close-up after two years on Mars

9:48 am

Ingenuity in close-up after two years on Mars
Click for original image, with more information about it here.

With the Mars rover Perseverance now only about seventy-five feet away from the helicopter Ingenuity, the closest the two robots have been on Mars since Ingenuity was deployed in April 2021, the science team used Perseverance’s high resolution camera to take a new close up of the helicopter.

That picture, reduced and sharpened to post here, is to the right. From the caption:

Small diodes (visible more clearly in this image of helicopter) appear as small protrusions on the top of the helicopter’s solar panel. The panel and the two 4-foot (1.2-meter) counter-rotating rotors have accumulated a fine coating of dust. The metalized insulating film covering the exterior of the helicopter’s fuselage appears to be intact. Ingenuity’s color, 13-megapixel, horizon-facing terrain camera can be seen at the center-bottom of the fuselage.

This close-up is important to determine the overall state of the helicopter after two years on Mars. The engineering team that operates it does not know how much longer Ingenuity can last, so any data on its condition is extremely helpful.

That fine coat of dust on the panel and the rotors tells us that even flight and fast-rotating motion is not enough to keep such things clean on Mars. Thus we learn that there is likely no quick solution to the accumulation of dust on solar panels on Mars.

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Rocket Lab introduces a suborbital version of its Electron rocket for hypersonic flight testing

9:24 am

Rocket Lab today announced the availability of a suborbital version of its Electron rocket, dubbed HASTE, designed to do frequent hypersonic flight tests, with its first commercial flight scheduled in the first half of this year.

HASTE is evolved from Rocket Lab’s flagship Electron launch vehicle, which has been providing reliable access to orbit since 2018 and has successfully deployed satellites for NASA (National Aeronautics and Space Administration), the NRO (National Reconnaissance Office), DARPA (Defense Advanced Research Projects Agency) and the U.S. Space Force. HASTE employs the same innovative carbon composite structure and 3D printed Rutherford engines as Electron but has a modified Kick Stage for hypersonic payload deployment, a larger payload capacity of up to 700 kg / 1,540 lbs, and options for tailored fairings to accommodate larger payloads.

It appears that Rocket Lab is attempting to grab market share from Stratolaunch’s Roc/Talon hypersonic testbed, which is gearing up to do its own first hypersonic test flights this year.

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Lockheed Martin tests in-orbit cubesat rendezvous

9:16 am

Using two cubesats released separately after launch, Lockheed Martin has successfully tested maneuvering and rendezvous in space.

The two cubesats, each the size of a toaster, were deployed 300 kilometers above geostationary orbit from a ring-shaped secondary payload that carried multiple smallsats. They were released three days apart about 750 kilometers away from each other and a month later they were navigating within 400 meters of each other, Karla Brown, Linuss program manager, told reporters during a news conference at Lockheed Martin’s technology center at the Catalyst Campus.

One of the cubesats performed the role of servicing vehicle and the other was the resident space object. She said she expects the satellites to come even closer, to about 200 meters as the experiment continues. The more significant goal that was accomplished was proving AI algorithms that would be needed to perform a space servicing mission, Brown said.

Maybe the most interesting aspect of this project however is how it is funded. This is old-fashioned R&D (research & development), funded not by the government but by Lockheed Martin as part of a a suite of related in-space servicing projects. Before the arrival of the military-industrial complex post World War II, such work was always paid for in house by the private sector. This commercial R&D was often given great freedom to experiment, in the hope that it would result in new products producing profits.

With the arrival of lots of government money in the 1950s and 1960s, that private R&D money dried up. Big space companies would instead only do the research and development that was funded by the government, either by NASA or the Pentagon. As a result, innovation dried up as well.

The return of private R&D likely means we shall once again see more innovation, since it will once again be done to search out new innovative ways to do things.

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Orbit Fab raises $28.5 million in private investment capital

9:03 am

The satellite servicing company Orbit Fab has raised $28.5 million in private investment capital, adding to the $21 million it had already obtained from contracts with the U.S. military.

Orbit Fab’s goal is very specific, to provide refueling services for satellites of all types. To encourage companies to sign on to its service, it markets its own refueling port that satellite companies can add to their satellites.

The company hopes to fly its first of three test refueling missions for the military next year.

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Watching the second attempt to launch Starship/Superheavy to orbit

5:37 pm

Starship/Superheavy flight plan for first orbital flight
Click for original image.

SpaceX’s second attempt of an inaugural orbital test launch of SpaceX’s massive Superheavy first stage with its orbital Starship spacecraft stacked on top has now been rescheduled for Thursday, April 20, 2023, with a 62-minute launch window opening at 8:28 am Central.

I have embedded SpaceX’s live stream of that launch below, which will begin around 7:15 am (Central). You can also see an independent 24/7 live stream from LabPadre, showing the launchpad from many different angles and available here. NasaSpaceFlight.com also has a 24/7 live stream showing multiple angles here. For both, to see links to their many camera angles click on “more” in the text.

Though both of these independent live streams provide alternative view angles of the launch, both will rely on SpaceX’s main live stream, embedded below, for actual updates on the countdown status.

The flight plan is shown in the graphic above. Assuming all goes as planned, most of the action will occur in the first ten minutes, at which time Starship will cut off its engines and be in orbit. It will then coast for a little over an hour when it will re-enter the atmosphere to splashdown in the Pacific north of the Hawaiian Islands.

As I have noted many times, the historical significance of this rocket cannot be overstated. It is twice as powerful as NASA’s Saturn-5 rocket and almost three-times as powerful as NASA’s new SLS rocket, and went from concept to launch in about seven years. Its development was funded entirely by private investment capital, at a fraction of the cost of either of the government’s rockets. And it will be completely reusable once operational, reducing the cost exponentially of getting large 100-ton payloads into orbit.

And most important, it was developed by free Americans, following their own personal dreams.
» Read more

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The developing trench war in Ukraine

4:55 pm

The developing trench war in Ukraine
For the original maps, go here (November 16, 2022) and here (April 16, 2023)

In my last update on the Ukraine War on November 16, 2022, I concluded that the stream of territorial gains by the Ukraine in the previous two months suggested that it was on the march and that in the coming months it would slowly and steadily regain territory from the Russians.

That analysis was wrong, at least in the short run. First, I failed to recognize that the Ukraine would need time to consolidate its large gains in September and October. Continuing the push apparently was beyond its capabilities without significant restocking of its troops and their equipment.

Second, by mid-November the Russians managed to halt the panicked retreat of its army, and forced it to re-establish reasonable lines of defense. It soon announced plans for a winter offensive, with the goal of capturing, at a minimum, the remaining territory of both the Donetsk and Luhansk Oblasts that either had never been taken or had been lost during the Ukraine’s successful fall offensive.

In the subsequent five months, the Russians have pushed hard, and gotten little for their effort. The map above, clipped from detailed maps produced daily by the Institute for the Study of War (ISW), compares the frontlines on November 16, 2022 with the present lines on April 16, 2022. Russian-held territory is indicated in pink, Ukrainian territory is either white or blue, blue indicating territory recaptured from Russia. The striped region is territory Russia grabbed in 2014.

Except for some gains in the south, the Russians have moved that frontline almost not at all.
» Read more

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April 17, 2023 Quick space links

2:11 pm

Courtesy of BtB’s stinger Jay.

  • Blue Origin expects to return its New Shepard rocket to flight by the end of 2023

    • In the article a Blue Origin official claims the delay in the investigation is because of the FAA’s involvement, but she also says she isn’t allowed to provide details, a claim that FAA officials immediately deny when asked. While we certainly should expect the involvement of a government agency to slow things down, this person’s duplicity suggests that the blame comes as much from Blue Origin.

 

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China launches weather satellite, dumps debris near Taiwan

11:19 am

China's spaceports
China’s spaceports

China today successfully used its Long March 4D rocket to put a weather satellite into orbit, launching from its Jiuquan Satellite Launch Center in northwest China.

A short clip of the launch is available here [Hat tip Jay]. The material falling from the rocket are insulation panels that are intended to fall off in this manner.

Apparently, the flight path took it over Taiwan.

For six hours, air and maritime traffic was disrupted north of Taiwan. The maritime safety administration of Fujian, the Chinese province located opposite Taiwan, warned of a “possible fall of debris from a launcher.”

Taiwan’s Ministry of National Defense said it monitored what it described as a military launch and confirmed having “detected some debris falling into the northern waters of Taiwan.” 33 flights were affected, Taiwan’s Civil Aeronautics Administration said, quoted by Reuters.

The leaders in the 2023 launch race:

24 SpaceX
16 China
6 Russia
3 Rocket Lab

American private enterprise still leads China 27 to 16 in the national rankings, though it is now tied with the rest of the world combined at 27.

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