May 12, 2023
Fireball ‘100 times the size of the solar system’ thought to have been caused by gas being sucked into supermassive black hole
https://www.theguardian.com/science/2023/may/12/astronomers-capture-largest-cosmic-explosion-ever-witnessed
Fortunately, this is about 8 billion light years away.
But it’s been going for over three years now.
Yow.
April 26, 2023
“We have to assume that we could not complete the landing on the lunar surface,” Hakamada said.
https://www.cnbc.com/amp/2023/04/25/ispace-moon-landing-watch-live.html
Or…
…Ispace engineers observed that the estimated remaining propellant was “at the lower threshold and shortly afterward the descent speed rapidly increased.”
https://www.nytimes.com/2023/04/25/science/ispace-moon-lander-japan.html
Or as the New York Times reporter succinctly puts it: “In other words, the spacecraft ran out of fuel and fell.”
Another “hard landing on the lunar surface.”
I.e., it crashed onto the Moon and went kablooie.
So much for private company based space exploration.
Spaceships are having a difficult week…
April 14, 2023
Led by the European Space Agency (ESA), the mission will orbit the largest planet in the solar system and explore its icy moons, which scientists think could support living organisms.
JUICE will explore three possible ocean-bearing moons – Europa, Ganymede and Callisto. Under their icy surfaces are thought to be huge oceans of water – a crucial ingredient for life as we know it.
https://www.aljazeera.com/news/2023/4/13/explaining-juice-mission-to-jupiter-and-its-moons
The “Jupiter Icy Moons Explorer” is the first time an ESA-headed project will visit another moon.
If it launches successfully, of course.
Lift off in less than seven hours from French Guiana!
Great job by Alzajeera, although “Earth is about 4.1 times the size of Europa and is believed to have a young and active surface that may vent water vapour to space via plumes and geysers.” is a bit misleading (Europa, not Earth, is believed to have…)
Copy editor!
🤞 🚀 🇬🇫
UPDATE
The launch was successful, and the 90 m2 solar array also deployed successfully.
Now we just have to sit and wait until 2031!
April 12, 2023
The bankruptcy filing by Richard Branson’s Virgin Orbit Holdings Inc (VORB.O) has dealt a blow to Japan’s hopes of building a domestic space industry, with plans for a Kyushu-based spaceport designed to attract tourism on hold for lack of funding.
https://www.reuters.com/business/aerospace-defense/virgin-orbit-bankruptcy-casts-shadow-over-japans-space-dreams-2023-04-07/
Granted, this news is from four or five days ago.
Still, it’s jarring to see TV news about JAXA and NASA doing “joint” explorations of Mars, and then see a constant failure of JAXA to do anything based in Japan.
Something is seriously wrong with this space agency. And I suspect it has nothing to do with the scientists or astronauts.
April 8, 2023
The astronauts will be the first humans to fly in the vicinity of the moon in more than 50 years. They will also be the first to launch aboard NASA’s next-generation megarocket and Orion space capsule. The crew will not land on the moon but will swing around the celestial body, testing the performance of the Orion spacecraft, before returning to Earth.
https://www.nbcnews.com/science/space/nasa-announces-astronauts-will-orbit-moon-year-rcna77896
They won’t land, only orbit. But a first is a first.
Let’s go to Mars, already.
March 10, 2023
With just over a minute to go before liftoff, a California aerospace startup opted to stand down from launching the world’s first 3D-printed rocket on its inaugural test flight.
https://www.nbcnews.com/science/space/worlds-first-3d-printed-rocket-set-make-inaugural-flight-rcna73868
At least unlike the spectacular self-destruction of JAXA’s H3 this past Tuesday (Monday, Japan time), the team testing the California rocket wisely decided that it’s not a bright idea to stick a billion dollar satellite on an untested rocket. Repeatedly.
I’m beginning to feel that using 3D printed parts may not be the way to go with rocket engines…
March 7, 2023
The mysterious object’s lovely silver metallic hue stands out like a sore thumb in the surrounding, rust-colored landscape, a sulfate-bearing region of the Red Planet’s Mount Sharp.
https://futurism.com/the-byte/mars-rover-metallic-meteorite?fbclid=IwAR03ztaeMMhJWITitMIwXRsF_pfsE7_p2LUS-hGinBAHzrnW0LfZ5gPxU1o
Yes, they’re actually calling the meteorite fragment “Cacao.” Sigh.
Too bad Curiosity can’t take any samples. Perseverance can, but it’s too far away.
Curiosity has stumbled across several other such rocks previously, like “the Beast” and “Lebanon.” Sadly, none can be dated.
But the fact that there are so many of these impacted on the surface of Mars shows additional risks that any human mission might face…
February 26, 2023
Until the new Soyuz pulls up, emergency plans call for Rubio to switch to a SpaceX crew capsule that’s docked at the space station. Prokopyev and Petelin remain assigned to their damaged Soyuz in the unlikely need for a fast getaway. Having one less person on board would keep the temperature down to a hopefully manageable level, Russian engineers concluded.
https://www.nbcnews.com/science/space/russia-launches-rescue-ship-space-station-leaks-rcna72161
Russian space agency Roscosmos concluded that the leak in the docked Soyuz capsule was from a micrometeorite impact.
They also reversed the previous decision last year to abandon the ISS. Now Russia will still send cosmonauts through 2028.
A positive step in a brutal political climate. International space projects should include more, not fewer, countries. Space is for everyone.
February 24, 2023
It is this subsurface ocean, or rather its interaction with the ice shell that covers it, that a team of researchers led by the Catholic University of Louvain (UCLouvain) in Belgium hope to better understand. More specifically, they wish to understand how the ocean’s depth and the pressure exerted by the icy shell on the underground water body influence the formation of tidal motions and currents inside of it.
https://www.space.com/saturn-moon-titan-ocean-tides-icy-crust-study
When I first heard of “Attack on Titan,” I was disappointed to learn that it didn’t take place actually on Titan. (The title in English is a mistranslation. It should be “Attack of the Titans” or “The Titans Attack” or even “Attacking Titans,” depending.) In any case, it’s a disgusting manga/anime with nothing to do with the icy moon of Saturn. Except for the name. And even that’s a misuse (they should have used “giant” as the storyline is very loosely based on Ymir and the frost giants of Scandinavian myth).
Anyway. It’s a fascinating moon the size of the planet Mercury with a liquid ocean and (mostly) nitrogen atmosphere, making it a candidate for extraterrestrial life. Here’s a cool view of it: https://solarsystem.nasa.gov/moons/saturn-moons/titan/overview/
February 18, 2023
At liftoff time, smoke was seen rising from the bottom of the rocket, indicating the ignition of the main engine. However, the rocket did not rise from the launchpad.
https://asia.nikkei.com/Business/Aerospace-Defense-Industries/Japan-s-H3-rocket-launch-aborted-after-booster-fails-to-ignite
Not a great start to the year, JAXA. This, on top of the Episilon failure (zero, zero…DESTRUCT…zero…)
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