Space Stories: Dragon Delays, Odd Black Holes, and Surprising Martian Warmth

Posted on by onespaceman2000
Image (Credit): SpaceX Dragon capsule. (SpaceX)

Here are some recent space-related stories of interest.

—Space.com: “SpaceX, NASA Delay Next Astronaut Launch to ISS Due To Leak on Dragon Spacecraft”

SpaceX’s next astronaut mission to the International Space Station won’t launch on Sept. 12 after all. That flight, known as Crew-13, has been delayed due to an oxidizer leak in the propulsion system of SpaceX’s Dragon spacecraft, NASA announced on Saturday (Aug. 29). Joint NASA and SpaceX teams are performing additional tests and data review and will complete any necessary rework prior to launch,” NASA officials wrote in an update on Saturday. “A new target date will be announced once available.”

—Earth.com: “Giant Black Holes Appeared Too soon After the Big Bang, and Astronomers May Know Why“

Nearly every large galaxy keeps a giant black hole at its center. Some of those giants already weighed a billion Suns when the universe was less than 700 million years old. Astronomers have struggled for decades to explain how anything grew that heavy that fast. A new study built on James Webb Space Telescope observations suggests one possible answer. The researchers describe a young black hole wrapped in gas so dense that the whole object shines like a single enormous star. Astronomers call objects like it black hole stars. The light from this one has been traveling for 13 billion years, since a moment just 660 million years after the Big Bang, and no earlier example has been found.

—Caltech: “Thermal Anomaly Discovered Below Mars’s South Pole“

Based on gravitational measurements that give clues to the Red Planet’s interior structure, Mars’s interior southern hemisphere is around 200 to 400 degrees Celsius warmer than the northern half of the planet and partially molten. The surprising finding adds additional context to Martian history and the periods of time in which it may have hosted conditions favorable for life. The research was led by Caltech alumnus Alexander Berne (PhD ’26), who is now a postdoctoral associate at the University of Arizona. The findings are reported in a paper appearing in the journal Nature on August 27.

Note: Here is the podcast version of this post.

Space Stories: Martian Spiders, Space Constipation, and an Exploding Chinese Rocket

Posted on by onespaceman2000
Image (Credit): Spider-like shapes on the surface of Mars. (ESA/TGO/CaSSIS)

Here are some recent space-related stories of interest.

—ZME Science: “NASA Finally Figured Out What’s Up With Those “Mars Spiders”“

For years, satellites around Mars kept finding mysterious, spider-like geological structures. Mars spiders, scientifically known as araneiform terrain, are unique geological formations predominantly found in the southern hemisphere of Mars. They appear as branching, spider-like channels etched into the Martian surface, sometimes spanning over a kilometer in length. In 2024, NASA-led lab experiments pinned down the likeliest way these “spiders” form: seasonal CO₂ ice. Now, a 2026 follow-up showed that the soil beneath the ice can make or break the process, and that these structures could hold clues to Mars’ wet past.

—Earth.com News: “Why Do Astronauts Get Constipated in Space? Scientists Have a New Clue“

Astronauts have complained about constipation for as long as people have flown to space. Nobody could say exactly why. Researchers have long suspected that living without gravity changes how quickly food moves through the gut. Blood drawn from crew members on long stays aboard the International Space Station now points to an answer. Giorgia La Barbera, a joint first author of the study and an associate professor at the University of Copenhagen’s Department of Nutrition, Exercise and Sports, led the work with NASA. “We see changes in astronauts’ blood samples that indicate that the gut bacteria begin to ferment protein to a greater extent than usual within weeks after the astronauts arrive in space, and this change continues until they are back on Earth,” La Barbera said.

—CNN: “Chinese Rocket Carrying Satellite Explodes Seconds After Launch“

A Chinese rocket set to launch a satellite into orbit blew-up seconds after liftoff Monday, marking the relatively rare failure for a rocket considered a workhorse of Beijing’s space program. The Long March 7A rocket erupted into a massive fireball just 85 seconds after blasting off from the Wenchang Space Launch Site on the island of Hainan on Monday night, video showed. Unlike other successful launches, the incident appears to have been downplayed on China’s state media with scant mention of the explosion.

Note: Here is the podcast version of this post.

A New Crew Arrives at the ISS

Posted on by onespaceman2000
Image (Credit): An American astronaut and two Russian cosmonauts head to the ISS aboard a Soyuz rocket launched earlier today from the Baikonur Cosmodrome in Kazakhstan. (NASA/Bill Ingalls)

Earlier today, NASA astronaut Anil Menon and Roscosmos cosmonauts Pyotr Dubrov and Anna Kikina left Russia and arrived safely at the International Space Station (ISS).

With their arrival, Expedition 74 will come to a close by month’s end and Expedition 75 will begin.

The Expedition 74 crew currently on the ISS includes NASA astronauts Jessica Meir, Jack Hathaway, and Chris Williams; European Space Agency astronaut Sophie Adenot; and Roscosmos cosmonauts Sergey Kud-Sverchkov, Sergei Mikaev, and Andrey Fedyaev.

Expedition 75 will begin once NASA’s Williams and Roscosmos’s Kud-Sverchkov, and Mikaev depart the station after an eight month mission.

With all of the attention on the Chinese and race to the Moon, it is sometimes easy to forget that Russian cosmonauts have been working together with NASA aboard the ISS for over 25 years. The first crew on the ISS in November 2000 was composed of NASA astronaut William M. Shepherd and Russian cosmonauts Yuri P. Gidzenko and Sergei K. Krikalev (shown below). The three were the Expedition 1 crew, and stayed aboard the station until March 2001.

Image (Credit): Expedition 1 crew members (from left to right) Sergei K. Krikalev, Yuri P. Gidzenko, and William M. Shepherd in the ISS’s Zvezda Service Module. (NASA)

Space Stories: Starliner Beats SpaceX on Costs, NASA Administrator Ignores Regulators, and Blue Origin Rebuilding Beyond Impressive

Posted on by onespaceman2000

Here are some recent NASA-related stories of interest.

—Florida Sentinel: “Boeing Starliner Costly But Cheaper for NASA Than SpaceX Switch, Audit Says“

Boeing’ Starliner costs and delays remain the target of the latest audit from NASA’s Office of the Inspector General, but remains a cheaper option for the agency than relying solely on SpaceX for its commercial crew needs. The audit releasedJune 30 dinged the beleaguered spacecraft’s tumultuous and still uncertain path toward certification and wars that the timetable for its use to ferry astronauts to and from the International Space Station is running short.

—Newser: “NASA Chief Defies FAA With ‘High-Risk’ Flight“

NASA chief Jared Isaacman took to the skies over Washington in a vintage fighter jet on July 4, even after federal regulators flagged the plan as too risky. The Federal Aviation Administration rejected a request on June 30 to let four 1970s-era Northrop F-5 Tiger II jets participate in the National Mall flyover for America’s 250th birthday, calling the aircraft “very high-risk” and citing concerns about flight controls, ejection scenarios, and past crashes, the Wall Street Journal reports.

—Benzinga: “NASA’s Jared Isaacman Says Blue Origin’s New Glenn Recovery Is ‘Beyond Impressive’“

NASA Administrator Jared Isaacman said Blue Origin has devoted significant resources to cleaning up and rebuilding its launch pad after a late-May explosion of a New Glenn rocket, as the agency weighs how the setback could affect lunar missions tied to the Artemis program. “Blue Origin’s response to the situation is almost beyond impressive, and that’s not just a NASA assessment,” Isaacman told reporters Wednesday afternoon, according to Ars Technica. He said U.S. Space Force officials also have been deeply involved in Blue Origin’s planning since the May 28 test anomaly damaged New Glenn’s only operational launch pad.

Note: Here is the podcast version of this post.

Podcast: The Future of Space Stations

Posted on by onespaceman2000
Image (Credit): Design of Blue Origin’s Orbital Reef space station. (Blue Origin)

The latest podcast episode of the Planetary Society’s Planetary radio had an informative discussion about space stations, including why we need them and who should be financing them. The episode, What’s Going on with Commercial Space Stations, is a conversation between Casey Dreier, Chief of Space Policy for The Planetary Society, and Clayton Swope, Deputy Director of the Aerospace Security Project and Senior Fellow for The Center for Strategic and International Studies (CSIS).

Mr. Swope wrote an story last month for CSIS titled “NASA Changes Course on Commercial Space Stations.” In it, he notes that NASA’s recent change to its program for commercial space stations was due to greater skepticism about the private sector’s ability to make a business case for a space station and then properly construct one in a timely fashion. This is the crux of his discussion with Casey Dreier, which is fun to follow.

Should the federal government continue to take the lead on both the financing and construction of manned space stations to replace the International Space Station (ISS) once it is retired? And why do we even need another manned space station? Does it serve a commercial purpose that cannot be replicated with robots? Or is it more akin to our nation’s support and participation in the Olympics, where we can show American prowess while hopefully taking sports to a new level?

The conversation covers a fair amount of ground, while the Planetary Radio website offers a variety of background links as well as some useful information on the proposed commercial space stations, including:

  • Axiom Station,
  • Orbital Reef,
  • Starlab,
  • Cygnus spacecraft captured by Canadarm2, and
  • Sierra Space LIFE habitat.

NASA and the private sector will need to find a way to make this Earth-orbiting commercial space station a viable option before the ISS is little more than a shooting star. NASA has already killed the Moon’s space station earlier this year (aka Gateway), demonstrating that it is willing to move quickly and break things.

Image (Credit): Artist’s rendering of Gateway orbiting the Moon. (NASA)