Tag: spaceflight

AST SpaceMobile signs up Verizon to use its constellation for phone-to-satellite service

8:40 am

The startup AST SpaceMobile, which is building a constellation of satellites able to act as cell towers for smart phones, has now signed an agreement with Verizon to give its subscribers access to the service.

AST SpaceMobile’s shares closed up more than 8% Oct. 8 after Verizon joined AT&T in signing a definitive agreement to use its planned space-based cellular network, easing investor concerns about SpaceX’s aggressive push into the fledgling direct-to-device (D2D) market.

The deal enables Verizon to provide D2D connectivity to its customers from some point in 2026, building on a strategic partnership announced in May 2024 that included plans for a $100 million investment in AST.

As noted above, AST has now signed both Verizon and AT&T, two of the largest cellphone companies, strengthening its position considerably in its competition with SpaceX’s Starlink cell-to-satellite alternative. Both deals appear to allow these companies the ability to sign contracts with both AST and Starlink, so it is possible the competition won’t be as fierce initially as it appears. It is also possible that eventually they will pick one or the other, so neither company should be complacent.

AST presently has five of its BlueBird satellites in orbit out of its planned 45-60 satellite constellation, and hopes to have at least half the constellation in orbit by the end of ’26. So even if it wins its cellphone competition with SpaceX that rocket company will still likely make some money launching AST’s satellites.

0 comments

Martian winds are faster than expected

2:46 pm

According to an analysis of pairs of 300 hundred orbital images taken seconds apart, scientist have found that Martian winds can reach speeds of 100 miles per hour (160 kilometers per hours), much faster than previously expected.

The results show that the dust devils and the winds surrounding them on Mars can reach speeds of up to 44 m/s, i.e. around 160 km/h, across the entire planet, which is much faster than previously assumed (previous measurements on the surface had shown that winds mostly remain below 50 km/h and – in rare cases – can reach a maximum of 100 km/h). The high wind speed in turn influences the dust cycle on the Red Planet: “These strong, straight-line winds are very likely to bring a considerable amount of dust into the Martian atmosphere – much more than previously assumed,” says Bickel. He continues: “Our data show where and when the winds on Mars seem to be strong enough to lift dust from the surface. This is the first time that such findings are available on a global scale for a period of around two decades.”

You can read the paper here. The study also found dust devils favor the spring and summer in both the north and south hemispheres, and tended to be concentrated in the mid-latitudes.

What is most interesting about this data, which because it is somewhat sparse has a lot of uncertainties, is that it suggests the candidate landing zone for SpaceX’s Starship is a region with one of the most intense dust devil seasons every spring and summer. This is not really a threat to settlement, because the atmosphere is so thin even these high winds would hardly be felt, but it does indicate an environmental condition that must be considered for any future settlement there.

14 comments

Fresh slope streak on Mars

1:09 pm

Fresh slope streak on Mars
For original images go here and here.

Cool image time! One of the geological mysteries on Mars seen no where on Earth is something scientists have dubbed “slope streaks.” Though they at first glance appear to be avalanches, they do nothing to change the topography, have no debris pile at their base, and sometimes even travel up and over rises on their way downhill. They can also appear randomly throughout the year, can be bright or dark, and fade with time.

No theory as to their cause has yet been accepted, though recent research suggests they are dry events, dust avalanches triggered by dust devils, wind, or the accumulation of dust.

To better understand this geology, scientists repeatedly monitor known slope streak locations looking for changes. The two images to the right are an example, downloaded from the high resolution camera on Mars Reconnaissance Orbiter (MRO) on July 2, 2024 and September 1, 2025. In the fourteen months that passed between the first and second images, two distinct and large slope streaks occurred next to each other, near the bottom of the picture. All the other streaks merely faded.
» Read more

0 comments

Canadian rocket startup Nordspace obtains expanded ground station contract

9:28 am

Proposed Canadian spaceports
Proposed Canadian spaceports

The Canadian rocket startup Nordspace has signed an agreement with the ground station company C-Core to establish more tracking and communication facilities in conjunction with Nordspace’s launch plans at its Atlantic spaceport in Newfoundland.

NordSpace and C-CORE have signed a Memorandum of Understanding (MOU) that will see the companies work together in developing new ground stations across Canada with initial locations planned for the Atlantic Spaceport Complex (ASX) in St. Lawrence, Newfoundland and Labrador, and Inuvik, Northwest Territories.

With C-CORE being based in St. John’s, Newfoundland, and already established in providing ground station services, it seems like a natural collaboration that could benefit both companies. For NordSpace, which owns and is developing the Atlantic Spaceport Complex, this collaboration provides the potential for another type of revenue source as the company tries to diversify.

Nordspace has not yet launched, though its first suborbital test launch several weeks ago was scrubbed twice due to ground equipment fuel leaks. It has not yet announced another date for that suborbital test, but plans a static fire test in October of the engine it is building for its orbital Tundra rocket.

This company is only three years old, and appears to have leap-frogged past Canada’s other spaceport operation in Nova Scotia, which has been trying to get off the ground for almost a decade.

0 comments

Stoke Space said to be raising as much as $500 million in private investment capital

9:17 am

Stoke's Nova rocket
Stoke’s Nova rocket, designed to be
completely reusable.

UPDATE: Stoke Space confirms the story, announcing today that it has raised $510 million in new capital.

According to anonymous sources, the rocket startup Stoke Space is in the process of raising as much as $500 million in private investment capital, with new $2 billion valuation for the company.

Stoke Space, one of the Seattle area’s up-and-coming space startups, is said to be raising hundreds of millions of dollars in a funding round that it hasn’t yet publicly acknowledged. A report about the round, based on two unidentified sources, was published today by The Information.

The Information quoted its sources as saying that the funding round could total as much as $500 million, and would value Stoke at nearly $2 billion. That figure would be roughly twice as much as the $944 million valuation that was cited by Pitchbook as of January. The round’s lead investor is said to be Thomas Tull’s United States Innovative Technology Fund.

Earlier this year Stoke raised $260 million, bringing its available capital to almost a half billion. If this story is confirmed, it means the company will have almost a billion in available cash on hand.

The design of Stoke’s Nova rocket is unique in that both the lower and upper stages will be reusable. The first stage will land vertically, like SpaceX’s Falcon 9. The upper stage meanwhile uses a radical nozzle design, a ring of tiny nozzles around the perimeter of a heat shield, to protect it during re-entry.

The company has said it plans the first launch in 2026, but has not been more specific as to when. If successful, this rocket will certainly become a major player, as it will be able to offer even lower prices than SpaceX because none of the rocket will be expendable.

11 comments

SpaceX launches 28 Starlink satellites, reuses 1st stage for 29th time

8:31 am

SpaceX last night successfully launched another 28 Starlink satellites, its Falcon 9 rocket lifting off from Vandenberg Space Force Base in California.

The first stage, B1071, completed its 29th flight, landing on a drone ship in the Pacific. The present rankings for the most reflights of a rocket:

39 Discovery space shuttle
33 Atlantis space shuttle
30 Falcon 9 booster B1067
29 Falcon 9 booster B1071
28 Columbia space shuttle
28 Falcon 9 booster B1063
27 Falcon 9 booster B1069

Sources here and here.

Note also that SpaceX was able to refly this stage only 24 days after its previous flight. Even after 28 flights, the booster appears so robust the company can get it back in the air only weeks later.

The leaders in the 2025 launch race:

129 SpaceX
58 China
13 Russia
12 Rocket Lab

SpaceX now leads the rest of the world in successful launches, 129 to 98. SpaceX has another launch scheduled for this evening, placing another set of Amazon’s Kuiper satellites into orbit.

3 comments

Japanese satellite company extends its launch contract with Rocket Lab

8:01 am

The Japanese satellite company Q-shu Pioneers of Space, Inc. (iQPS) has purchased three more launches from Rocket Lab, for a total of seven planned.

The multi-launch contract includes three dedicated Electron missions that will launch no earlier than 2026 from Rocket Lab Launch Complex 1 in New Zealand. With four dedicated missions already booked by iQPS on Electron, these three additional missions bring the total number of upcoming launches for iQPS to seven.

Each dedicated launch will deploy a single synthetic aperture radar (SAR) satellite from a Rocket Lab Motorized Lightband separation system – demonstrating Rocket Lab’s vertical integration across launch and space systems that improves reliability and streamlines the launch process for its customers.

Rocket Lab has already completed four successful launches for iOPS, so with this deal means that it will complete eleven launches total for the satellite company. Essentially iQPS has made Rocket Lab its prime launch provider.

This is also the second major launch contract for Rocket Lab in the past week. On September 30, 2025 Synspective purchased its second multi-launch contract with the company, buying ten more launches. Its first contract was for eleven launches, with six already completed. Synspective hopes to have its entire radar constellation of 30 satellites in orbit by the late 2020s.

Both contracts tell us that Rocket Lab’s Electron rocket is going to have a very busy launch schedule for the next few years, even as the company initiates its larger Neutron rocket.

0 comments

Is the fate of the independent live streams in Boca Chica uncertain?

12:52 pm

My headline paraphrases this interesting, very detailed, and largely accurate article today from Texas Monthly. It outlines how the newly formed town of Starbase there has the power to block the many independent lives streams and tourist operations that have sprung up since SpaceX opened its facility in Boca Chica.

This proxy government also has the power to create zoning rules and enforce them. In July the city adopted a plan that leaves those with the closest views of the launchpads in violation of new zoning designations. The mainstay launch-day ticket sellers here—Rocket Ranch and a few others—operate in what’s now officially a residential area, near newly built homes for SpaceX executives. The same violation applies to the spots where the streamers have mounted their video cameras.

These cottage industries aren’t doomed. Texas law has grandfathering provisions that allow existing businesses to remain open after zoning changes. But Starbase city attorney Andy Messer raised eyebrows during a recent city commission meeting by saying that the grandfathering would be considered on a “case-by-case basis.” Hearing this, some property owners expressed hesitation to approach the city to ask if their status was in question. “I don’t want to poke the bear,” as one put it.

Will SpaceX force the town of Starbase to shut these independent operations down? The article describes the possibilities in great detail. The very nature of SpaceX and its founder, Elon Musk, suggests it won’t happen. The company thrives on openness and straight talk. Musk himself is a proven supporter of free speech and competition. It would be shocking if his company suddenly took a different position. Moreover, SpaceX, Starbase, or its residents (almost all of which are SpaceX employees) generally benefit from the good publicity of these independent operations, publicity that the company’s own employees enjoy.

Yet, Starbase is a company town, and the long history of such places is that with time, the company takes over and rules everything, allowing nothing that it does not control.

Stay tuned. Above all things won’t be dull in Boca Chica.

Hat tip Robert Pratt of Pratt on Texas.

6 comments

Martian boxwork on the flanks of Mount Sharp

9:55 am

The boxwork on Mars
Click for original image.

Cool image time! The picture to the right, cropped, reduced, and sharpened to post here, was taken on October 5, 2025 by the left navigation camera on the Mars rover Curiosity.

The picture looks north and downhill from the lower flanks of Mount Sharp, inside Gale Crater. In the far distance on the horizon can be seen the crater’s northern rim, about 20 to 30 miles away. As it is now moving into the dusty season on Mars, the haze has increased from only a month ago, making it hard to see many distant details.

In the foreground can be seen clearly the light-colored ridges of the boxwork that the rover has been traversing for the past three months, with one rover track visible on the nearest ridge. Unlike the very rocky and boulder-strewn terrain the rover has seen in most of its travels on Mount Sharp, this boxwork seems smoother.
» Read more

2 comments

The Juno mission at Jupiter is almost certainly over

8:52 am

An article yesterday at Space.com speculated that the Juno mission to Jupiter is likely over, but added that we cannot yet be sure because the government shutdown has prevented NASA from making any definitive announcement.

NASA’s management had previously extended the orbiter’s mission several times, with the last extension going until the end of the 2025 fiscal year, that ended on September 30, 2025. No new budget has yet been approved, and the proposed Trump budget had included no money for extending the mission farther.

Due to the government shutdown, NASA is currently unable to say whether Juno is still operating or already powered down. At the time of publication, responses from agency officials state that “NASA is currently closed due to a lapse in government funding … Please reach back out after an appropriation or continuing resolution is approved.”

Under shutdown rules, only missions that fall under “excepted activities” — those required to protect life, property, or national security — can continue operations or communications. NASA’s continuity plans also specify that carryover funding may only be applied to “presidential priorities,” which limits what science programs can proceed during a lapse.

Juno does not fall into those protected categories, and was also zeroed-out on the President’s fiscal year 2026 budget request — making the mission, presumably, not a priority. So, until normal government operations resume, the spacecraft’s future is uncertain.

I think Juno’s future at this point is not uncertain in the least. While other active missions that the Trump proposed shutting down might get revived, Juno is unlikely to be one of them. I suspect the science team has put it in hibernation, and is already beginning to move on to other projects and work. They are being coy about this in the faint hope Congress will save Juno, but this should not be a priority. At this point I think NASA would be wiser to spend its resources elsewhere.

2 comments

A galaxy with a starburst ring within its nucleus

12:49 pm

A galaxy with a starburst ring
Click for full image.

Cool image time! The picture to the right, cropped, reduced, sharpened, and annotated to post here, was released today by the science team of the Hubble Space Telescope as the picture of the week. This crop focuses on the central regions of this barred spiral galaxy, about 70 million light years away, with an unusual extra feature, a starburst ring encircling its nucleus. From the caption:

NGC 6951’s bar may be responsible for another remarkable feature: a white-blue ring that encloses the very heart of the galaxy. This is called a circumnuclear starburst ring — essentially, a circle of enhanced star formation around the nucleus of a galaxy. The bar funnels gas toward the centre of the galaxy, where it collects in a ring about 3800 light-years across. Two dark dust lanes that run parallel to the bar mark the points where gas from the bar enters the ring.

The dense gas of a circumnuclear starburst ring is the perfect environment to churn out an impressive number of stars. Using data from Hubble, astronomers have identified more than 80 potential star clusters within NGC 6951’s ring. Many of the stars formed less than 100 million years ago, but the ring itself is longer-lived, potentially having existed for 1–1.5 billion years.

This galaxy has also seen about a half dozen supernova, which raises the question: Does intense star formation trigger more supernovae? That is a question that can’t be answered with the data presently available.

2 comments
1 … 74 75 76 77 78 … 1,327