Tag: competition

Landowners in Scotland sign lease for spaceport

10:16 am

The new colonial movement: The landowners for a planned commercial spaceport in Sutherland, Scotland, have now signed a 75-year lease with the spaceport developers.

Construction of the project is anticipated to begin next year with the UK Space Agency (UKSA) providing a grant of £2.5million to HIE, as well as funding two launch companies who will use the facility once it is operational.

I highlight the word “UK”, which stands for the United Kingdom, because that word indicates another very big unstated obstacle to this spaceport. The UK as a whole has voted to leave the European Union. The population of Scotland however voted against that exit, and its leaders have indicated that they will not go along with the plans of the new British prime minister, Boris Johnson, to exit, deal or no deal. In fact, they have indicated that they would instead want to leave the United Kingdom in that case.

Should that happen, the future of this spaceport will be threatened. The deals that have made it possible have come from the UK space agency, a entity that Scotland would no longer belong should it leave the United Kingdom.

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Chinese test microsat deorbits and crashes into Moon

10:05 am

The new colonial movement: A Chinese tiny smallsat, sent to lunar orbit to test the technology of such microsats, has been deorbited and allowed to crash into the far side of the Moon.

The micro satellite crashed into a predetermined area on the far side of the Moon at 10:20 p.m. on July 31 (Beijing Time), the center said Friday.

Weighing 47 kg, Longjiang-2 was sent into space on May 21, 2018, together with the Chang’e-4 lunar probe’s relay satellite “Queqiao,” and entered the lunar orbit four days later. It operated in orbit for 437 days, exceeding its one-year designed lifespan.

The development of the micro lunar orbiter explores a new low-cost mode of deep space exploration, said the center. The micro satellite carried an ultra-long-wave detector, developed by the National Space Science Center of the Chinese Academy of Sciences, aiming to conduct radio astronomical observation and study solar radiation.

China might be stealing a lot of the space technology it is using to make it a major space power, but it is also doing a fine job of refining and improving that technology. Its capability to do practically anything in space as well if not better than anyone else continues to grow.

And with their government using its space effort as a management test for determining the best individuals to promote into the government’s power structure, do not expect their space effort to wane anytime in the near future.

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Chandrayaan-2 successfully completes 4th orbit burn

9:23 am

The new colonial movement: India’s lunar orbiter/lander/rover Chandrayaan-2 today successfully completed its fourth engine burn, this time raising its orbital apogee to 89,472 kilometers (55,595 miles).

The next burn is scheduled for August 6, when the spacecraft’s orbit brings it back down to its perigee.

By September they expect to raise that apogee high enough so that it is within the Moon’s gravitational sphere of influence, when they will be able to put it the spacecraft into lunar orbit.

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Bezos sells another $1.8 billion in Amazon stock

10:41 am

Capitalism in space? Jeff Bezos last night sold just under a million shares of his Amazon stock, earning in cash an estimated $1.8 billion.

Unlike a similar sale of stock by Bezos last April, there is no statement from Bezos about what he intends to use the money for. Then Bezos made it clear that he intended to periodically sell his stock to raise money for Blue Origin and its various space ventures. Today’s sale was the third since he said this, with total earnings from all three sales totaling about $4 billion, and all are likely aimed at funding that space company.

I might have increasing concerns about Blue Origin because of what appears to be a stalled rollout of New Shepard and New Glenn, but with deep pockets such as this, it would be surprising if the company fails to achieve its goals.

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New NASA development contracts include refueling work by SpaceX

10:26 am

Capitalism in space: Yesterday NASA announced a bunch of partnership agreements with thirteen companies, where those companies will get NASA assistance at no cost to help them develop new engineering that would aid future solar system exploration.

The partnerships covered everything from helping small companies develop new space electronics, heat shields, and new types of thrusters to helping Blue Origin develop the technology for for landing on the Moon.

An article at Ars Technica today about this NASA announcement focused specifically on the SpaceX deal, mainly for its important political implications.

The partnership will have two different NASA agencies helping SpaceX develop the refueling technology it needs for Starship to reach Mars. The key is that this deal has NASA openly supporting technologies that are in direct competition with its own SLS rocket. When such research work was proposed back in 2010, it was opposed quite strongly by past agency officials as well as powerful politicians in Congress, for exactly that reason.

It was a contentious time in space policy, as the White House was pushing for more funding for new space companies—and new space ideas such as fuel-storage depots—while Congress wanted to keep NASA in the rocket-building business.

Eventually, Congress got the upper hand, putting NASA on track to build the large SLS rocket at a development cost of more than $2 billion a year. The rocket program mostly benefited the Alabama space center and was championed by Alabama State Senator Richard Shelby. The potential of in-space fuel storage and transfer threatened the SLS rocket because it would allow NASA to do some exploration missions with smaller and cheaper rockets. As one source explained at the time, “Senator Shelby called NASA and said if he hears one more word about propellant depots he’s going to cancel the Space Technology program.”

The line from other NASA officials was that as a technology, propellant depots were not ready for prime time. In 2011, former NASA Administrator Mike Griffin and current Executive Secretary of the National Space Council Scott Pace—both SLS advocates—wrote a withering criticism of the technology for Space News.

Now however the Trump administration is helping SpaceX develop refueling for Starship, which if successful will help make SLS irrelevant. This is more evidence that the Trump administration is laying the political groundwork that will allow it to shut SLS down, actions that were impossible in the political culture of Washington only two years ago.

This quote in the article is probably the most startling of all:

“Administrator Bridenstine is clearly executing on President’s Trump’s guidance to increase commercial public-private-partnerships at NASA,” Miller, now chief executive of UbiquitiLink, told Ars. “The game-changing technology that NASA has discovered is capitalism. This program proves NASA leadership has figured out the future is reusability mixed with commercial public-private-partnerships.” [emphasis mine]

Imagine that. An American government agency has learned that capitalism is the way to go. Will wonders never cease?

Update: See this related Ars Technica article: The SLS rocket may have curbed development of on-orbit refueling for a decade (Hat tip reader Calvin Dodge.)

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Suborbital rocket company has launch failure

9:59 am

Capitalism in space: Gilmour Space Technologies, one of the numerous new rocket companies aimed at capturing the emerging smallsat market, experienced a launch failure on July 29 just prior to lift-off of its suborbital rocket.

At T-7 seconds to launch, the test rocket suffered an anomaly that resulted in the premature end of the mission. Initial investigations show that a pressure regulator in the oxidiser tank had failed to maintain the required pressure, and this caused the upper half of the rocket to be ejected as helium escaped.

On the positive side, there were no explosions due to the safe nature of hybrid rocket engines, and no observable damage to the engine. (The white plume seen here is steam.) Moreover, despite failure to launch, the team did successfully test Gilmour Space’s mobile launch platform and mission control centre, which had journeyed over 1,800 km to the test site.

It appears the failure was from a piece of equipment provided by an outside contractor.

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LightSail-2 successfully raises its orbit using sunlight

3:25 pm

Capitalism in space: By raising its orbit by the use of sunlight only, LightSail-2 has confirmed what an earlier Japanese solar sail Ikaros had demonstrated, that it is possible to use solar sails to travel in space.

Since unfurling the spacecraft’s silver solar sail last week, mission managers have been optimizing the way the spacecraft orients itself during solar sailing. After a few tweaks, LightSail 2 began raising its orbit around the Earth. In the past 4 days, the spacecraft has raised its orbital high point, or apogee, by about 2 kilometers. The perigee, or low point of its orbit, has dropped by a similar amount, which is consistent with pre-flight expectations for the effects of atmospheric drag on the spacecraft. The mission team has confirmed the apogee increase can only be attributed to solar sailing, meaning LightSail 2 has successfully completed its primary goal of demonstrating flight by light for CubeSats. [emphasis mine]

The highlighted text notes a secondary but possibly more important engineering achievement here. LightSail-2 was launched as a cubesat. It has now proven that such a cubesat can include a solar sail and use it for purposes of transportation.

Moreover, that this engineering test was funded entirely by private funds proves again that the government is not necessary for great things to be achieved.

They will continue to raise the spacecraft’s apogee for the next month, until the lowering of the perigee causes the spacecraft to get pulled out of orbit by the drag from the atmosphere. That second process will still take about a year.

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iSpace plans eight launches in 2020

9:36 am

After its first successful orbital mission last week, China’s semi-private rocket company iSpace announced today that it hopes to complete eight launches in 2020.

Clients from Singapore, Italy, Spain, Hong Kong and Sri Lanka, as well as mainland customers, have already either signed up for a spot on iSpace’s rockets or expressed interest.

iSpace is open to both private and government clients. “It’s the same for us whether it’s a private or a state-owned company,” Vice President for Marketing and Communications Yao Bowen said.

The price tag to launch a rocket is 4.5 million euros ($5 million), Yao added.

This launch price is just under what Rocket Lab has been charging, $6 million, and is clearly designed to take business from them. It is however higher than what Vector says it will charge, $4 million, should that company ever get its rocket off the ground.

The article also notes the investment capital raised by iSpace, totaling just over $100 million. This does make this company appear a private company, but don’t believe it. Its existence is very much tied to and supervised by the Chinese government.

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Want to get off gmail? A possible Behind the Black option

11:53 am

On July 3rd I put out a feeler to see if there was sufficient interest among my readers for providing a private email service through Behind the Black. As I wrote then:

I am exploring the possibility of offering email services through my server for those who want to get off of gmail and google. However, before such a service can be offered, we need to know the amount of interest there might be. The demand will effect the cost, which means I can’t even give you an idea of what we might charge.

Regardless, if you are interested in having “your.name@behindtheblack.com” as your email address, please say so in the comments. There will be no obligations, by you or me or my server, but the response however will help us decide if we can do it.

And if we can do it, and many people sign on, we will then be taking the proper free enterprise approach for combating the corrupt business practices of giants like Google. Our federal government might still act to break Google up, but I think it would be far better if the free market did the job instead.

About a dozen people expressed interest at that time. In discussing this with my server, we both agreed that this is too small a number for us to begin this service. However, we are also both quite willing to do this, if the initial number of subscribers was higher.

I am therefore posting this feeler out again. If you expressed a desire to sign up as a comment in the previous post, then there is no need to comment again. However, if you did not comment previously, and think this service will be what you want, then post a comment here saying so.

It would also help me to get an idea what you would be willing to pay per month for this service. For this information I request everyone comment, including those who commented earlier.

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Europe completes 1st rollout of Ariane 6 mobile launch gantry

9:32 am

The mobile launch gantry that Europe will use for its new Ariane 6 rocket successfully completed its first rollout tests last week.

This gantry is the equivalent of NASA’s VAB building. Within this gantry they will assemble Ariane 6 vertically, then roll the gantry back for launch.

Assembling a rocket vertically I think is more costly, but it also makes it possible for the rocket to launch payloads that must be installed in this manner. Thus, Ariane 6 will have this selling point over rockets like the Falcon 9 and Falcon Heavy, which are assembled horizontally.

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Private lunar landing company backs out of NASA contract

9:23 am

Capitalism in space: The commercial lunar landing company, OrbitBeyond, has told NASA that it cannot fulfill its $97 million contract, only two months after that contract was announced.

NASA announced July 29 that OrbitBeyond informed the agency that “internal corporate challenges” will prevent it from carrying out a task order that NASA awarded the company May 31 as part of its Commercial Lunar Payload Services (CLPS) program. The company asked to be released from that contract, and NASA agreed.

NASA didn’t elaborate on what specific issues caused OrbitBeyond to scrap its contract with NASA, and the company didn’t immediately respond to a request for comment. At the May 31 event where NASA announced the contracts, Siba Padhi, chief executive of OrbitBeyond, said the company was still in the process of closing a round of funding. The company has not subsequently announced a funding round.

Considering its receipt of a $97 million NASA contract, it would be very puzzlingly for the company to be unable to obtain further investment capital. If anything, that contract should have encouraged funding. If the lack of funding is the cause of this termination then it also suggests the company had other problems.

This leaves NASA with two private lunar lander companies. I expect NASA will look to award the contract to a third company. The company Firefly and its team of Israeli Beresheet engineers comes immediately to mind.

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Chandrayaan-2 completes third orbit maneuver

9:14 am

Chandrayaan-2 has completed its third engine burn to raise the apogee of its orbit to 71K.

The next burn is set for August 2, when the spacecraft returns to its orbital low point, the perigee. As it raises its orbit each time the time between burns gets extended because the orbit gets longer. By September however the apogee will put the spacecraft in the Moon’s gravitational field of influence, and when Chandrayaan-2 reaches that apogee engineers will then fire its engines again to slow it down and enter lunar orbit.

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Japanese private smallsat rocket company launch failure

9:46 am

Capitlism in space: Interstellar Technologies, a Japanese private smallsat rocket company, experienced on July 27 its third suborbital launch failure in four attempts.

The vehicle only reached an altitude of 13 kilometers following the launch at 4:20 p.m., falling into the sea some 9 kilometers (about 5.5. miles) offshore from Taiki, Hokkaido, its test site, Interstellar Technologies said. The rocket is the same model as Momo-3, measuring about 10 meters long, 50 centimeters in diameter and weighing 1 ton.

After failed attempts in 2017 and 2018, the startup finally found success with its third launch in May, with the rocket reaching an altitude of around 113 km before falling into the Pacific Ocean.

The failure occurred when an onboard computer detected something wrong and shut the engine down.

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China tests controlled flight for returning first stage

9:41 am

Chinese news sources today confirmed that during its last launch on July 26, they tested the use of grid fins (essentially copied from SpaceX’s Falcon 9) to control the return flight of the first stage of their Long March 2C rocket.

The success of the test is of great significance for improving China’s inland rocket landing safety, minimizing the inconvenience to the local people, as well as promoting the follow-up development of carrier rockets’ controllable recovery, soft landing and reuse, according to He Wei, an official with the CASC.

“The swinging grid fins were used to control the rocket debris’ direction and attitude, much like the wings of the debris,” said Cui Zhaoyun, the deputy chief designer of Long March-2C rocket. The landing site control of large and medium rockets is much more difficult than that of small rockets, he added.

For almost forty years China has allowed these first stages to crash, sometimes very close to villages and habitable areas. Now, inspired by what freedom and U.S. innovation has accomplished, they have finally begun the process of figuring out how to land these stages vertically. Since their propellants are very toxic, it is not clear however whether they will be able to reuse them should they succeed in landing them undamaged.

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NASA to do full engine test of SLS first stage

8:08 am

NASA confirmed yesterday that it will do a full engine test of its SLS first stage, what it calls the Green Run test.

This decision makes sense. SpaceX for example routinely does a static fire test of its first stages before every flight. NASA however had hesitated doing this test because it will likely force a delay in the first launch of SLS. Unlike a commercial company like SpaceX, NASA is incapable of doing this test and then proceeding to flight quickly, mostly because the size of SLS (it is very large) and its design (very cumbersome) makes such quick action difficult.

This decision however means that it is almost certain that SLS’s first unmanned test launch cannot happen in 2020. For NASA to make Trump’s commitment to fly a lunar landing by 2024 means that NASA must compress SLS’s schedule to one flight per year. First the unmanned test flight would occur, probably in 2021. Then the first manned test flight around the Moon would follow, in 2022 or 2023. Finally the landing mission would take place in 2024.

Can NASA do this? I have many doubts. The agency’s biggest obstacle would be getting their lunar lander built in time, which by the way is not yet even designed. This isn’t the only problem. NASA for years has said that they will need from one to three years between SLS flights. This schedule demands more from them.

Meanwhile, there is a good possibility that SpaceX will beat them to the Moon. If that happens, then expect SLS to die, either before or after its first or second flight.

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Starhopper has hopped

7:29 am

Capitalism in space: SpaceX last night successfully completed the first untethered flight of its Starship/Super Heavy prototype dubbed Starhopper.

This hop attempted and flew about 65 feet. They hope to do next flight, planned to be about ten times higher, in a week or two, according to a Musk tweet.

Below the fold is video of the hop. You can’t see much as the viewing angle is ground level, it is night, and the engine flames obscure things. Expect better footage from future hops.
» Read more

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SpaceX launches used Dragon to ISS with used Falcon 9

6:58 pm

Capitalism in space: SpaceX today successfully used a Falcon 9 rocket to launch a Dragon freighter to ISS.

The Dragon is making its third flight to ISS. The first stage, which landed successfully, was making its second flight, and will likely be used on the next Dragon cargo mission.

Video of the launch and 1st stage landing is below the fold. The launch is at about 15 minutes. The first stage landing is one of the most spectacular yet.

The leaders in the 2019 launch race:

10 China
9 Russia
9 SpaceX
5 Europe (Arianespace)
4 India

The U.S. now leads China 15-10 in the national rankings.
» Read more

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Chandayaan-2 completes first orbit burn

8:18 am

India’s lunar orbiter/lander/rover Chandrayaan-2 yesterday completed its first orbital engine burn, raising its apogee, the high point in its orbit, 6,000 kilometers to about 51,000.

This boost meant that Isro scientists have to perform one less manoeuvre in the Earth orbit than what was planned earlier. According to the path chalked out for Chandrayaan-2 before the launch, the on-board propulsion systems were to be fired six times in Earth orbit – five times to raise the apogee and once to raise the perigee. Now, only four more “burns”, or firing of the propulsion system, will be needed on July 26 and 29, and August 2 and 6, to reach the final orbit of 233.2 x 143,953km.

…With a final boost on On August 14, Chandrayaan-2 will escape Earth’s orbit and begin its seven-day journey towards the moon. The spacecraft is scheduled to reach the moon orbit on August 20.

Once in lunar orbit they plan four more burns to lower the spacecraft to a 100 kilometer circular orbit, where the lander/rover will release and begin their own lowering process aimed for a September 7 landing.

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China smallsat company succeeds in orbital launch

7:58 am

A Chinese semi-private company, iSpace, successfully launched two smallsats into orbit today.

iSpace’s Hyperbola-1 rocket blasted off from the Jiuquan Satellite Launch Centre at 1 p.m. (0500 GMT) Thursday, sending two satellites and payloads into a predetermined orbit, the company said in a statement on its official Wechat account.

The successful orbital launch was preceded by two failures since late last year by other startups.

More here.

I am very reluctant to call this company, along with the other Chinese smallsat companies OneSpace and LandSpace, a private commercial firm. While it might get investment capital within China, it is very clearly supervised closely by the government. Moreover, its use of solid rocket motors, as noted in the second link, strongly suggests it is taking advantage of Chinese military technology, something that could only happen under government control. From the second link:

It’s unclear how much it cost for iSpace to build the rocket. Chinese state-owned automaker Changan’s passenger car brand Oushang said it would sponsor the launch, but didn’t specify the amount. In OneSpace’s case, the firm’s nine-meter-tall, solid-propellent rocket cost the company $78 million to design, build, and launch. iSpace’s main private backers (link in Chinese) include domestic private-equity firms CDH Investments and Matrix Partners.

iSpace didn’t immediately respond to requests for comment.

But private space companies are also getting state support in China. All of the private launches so far, for example, have taken place at Jiuquan—Elon Musk’s SpaceX recently launched a rocket at NASA’s Kennedy Space Center, while its main customer is the US Air Force. What’s different in China is the constraints that come with having state backing. In June, China rolled out a set of rules that restrict what private companies can develop and manufacture. It’s unclear if that may restrict private companies’ capabilities in building larger rockets that could rival state rocket builders. [emphasis mine]

The money for this comes from state-owned companies. The technology comes from military hardware. The goals are almost all military in nature. I would also bet, because of the lack of information released, that the satellites launched today were military payloads. This is hardly an independent private company competing on the open market.

Nonetheless, this success gives China a new capability and raises its status as a world space power.

The leaders in the 2019 launch race:

10 China
9 Russia
8 SpaceX
5 Europe (Arianespace)
4 India

The U.S. still leads China 14 to 10 in the national rankings.

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Starhopper’s 1st test hop aborts

11:40 pm

Capitalism in space: SpaceX’s first attempt to fly Starhopper untethered in a short vertical flight was aborted only a few seconds after engine ignition.

Video of the test is below the fold. The vehicle never leaves the ground, and there are flames visible near its top, something one should not see. Obviously this is a development program, so failures like this are to be expected. More significant is the speed in which the company is moving. It is only a week since their last StarHopper test, which also had issues. Rather than take years to move forward (like NASA), they are pushing forward aggressively.
» Read more

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Images confirm LightSail-2 deployment success

1:25 pm

LightSail-2 sail deployed
Click for full resolution image.

Capitalism in space: The LightSail-2 engineering team has now confirmed, based on images from the cubesat, that its light sail has successfully deployed.

Flight controllers at Cal Poly San Luis Obispo in California commanded the spacecraft to deploy its solar sails yesterday at about 11:47 PDT (18:47 UTC). Images captured during the deployment sequence and downloaded today show the 32-square-meter sail, which is about the size of a boxing ring, deploying as the spacecraft flew south of the continental United States.

Image caption: This image was taken during the LightSail 2 sail deployment sequence on 23 July 2019 at 11:48 PDT (18:48 UTC). Baja California and Mexico are visible in the background. LightSail 2’s dual 185-degree fisheye camera lenses can each capture more than half of the sail. This image has been de-distorted and color corrected.

To the right is a reduced version of this image. As they note, the sail is distorted because of the fisheye nature of the camera lens. Nonetheless, it looks like the sail is deployed, and will be able to do its job, testing how one maneuvers in space using only sunlight.

UPDATE: Rex Ridenoure from Ecliptic Enterprises emailed me to explain that the distortion is only seen in the image above, that the image at the link has been corrected for this (as noted in the caption above). If you compare the two, you will see that the Earth is round in the corrected image.

Since the sail is much closer to the lens, I remain unsure how much of what we see of its shape is real, or a function of the fisheye lens. Later thumbnails show the sail more flat and tightly stretched, suggesting that this image was taken during deployment.

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LightSail-2 successfully deploys light sail

1:15 pm

Capitalism in space: The LightSail-2 engineering team today successfully deployed its boxing ring-sized light sail from its cubesat.

All indications are that LightSail 2’s solar sail has deployed successfully. Flight controllers sent the deployment command at approximately 11:45 PDT (18:45 UTC). Telemetry showed the motor count increasing as expected, and the motor appeared to halt at the correct time. LightSail 2’s cameras also appeared to capture imagery as planned.

The mission team will now confirm successful deployment by downloading imagery during subsuquent ground station passes today.

Once checked out, they will begin tests to see how they can use sunlight to change the light sail’s orbit, literally sailing in space.

The wonders of freedom: This mission was privately paid for and built by the Planetary Society.

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Boris Johnson to be next British PM

8:50 am

Boris Johnson has won the Tory party election to become the United Kingdom’s next prime minister.

In his victory speech, Mr Johnson promised he would “deliver Brexit, unite the country and defeat Jeremy Corbyn”.

Speaking at the Queen Elizabeth II centre in London, he said: “We are going to energise the country. We are going to get Brexit done on 31 October and take advantage of all the opportunities it will bring with a new spirit of can do. [emphasis mine]

Johnson has made it very clear that he intends to bluntly honor the will of the voters and be out of the European Union as quickly as possible. Do not expect him to spend any time negotiating a fake exit deal that tries to avoid that exit, as did his predecessor Theresa May.

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Apollo 11 videotapes sell for $1.82 million

8:39 am

The three original 2″ videotapes showing the astronauts on the lunar surface during Apollo 11, purchased by an engineering student as part of a lot of more than a thousand reels in 1976 for just over $200 have now sold at auction for $1.82 million.

The auction house, Sotheby’s, did not say who purchased the tapes. Hopefully whoever has intends to release the visuals, since it appears the quality is better than what we presently have.

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India successfully launches Chandrayaan-2

8:24 am

The new colonial movement: India yesterday successfully launched its lunar orbiter/lander/rover Chandrayaan-2 into orbit.

India’s Geosynchronous Satellite Launch Vehicle GSLV MkIII-M1, successfully launched the 3840 kg Chandrayaan-2 spacecraft into an earth orbit today (July 22, 2019). The spacecraft is now revolving round the earth with a perigee (nearest point to Earth) of 169.7 km and an apogee (farthest point to Earth) of 45,475 km. Today’s flight marks the first operational flight of the GSLV Mk III.

They will slowly raise the spacecraft’s apogee over the next two months to bring it into the Moon’s gravitational sphere of influence, when they will begin lowering the orbit leading to a separation of the lander/rover for a September 7 landing near the Moon’s south pole.

This was the third launch of the upgraded GSLV Mark III. With this launch India now has an operational rocket it can use to launch its astronauts into space in 2022.

The leaders in the 2019 launch race:

9 China
9 Russia
8 SpaceX
5 Europe (Arianespace)
4 India

The U.S. continues to lead in the national rankings, 14 to 9.

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LightSail-2 to deploy sail July 23

6:06 pm

The LightSail-2 engineering team has decided to attempt deployment of the light sail on July 23.

The spacecraft is a cubesat about the size of a loaf of bread. Once deployed, the light sail will be about the size of a boxing ring. If deployment is successful, they will then attempt to use the sail and sunlight to change the sail’s orbit, thus learning the techniques for using light to travel through space.

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