wader
Well-Known Angler
Planet survives catastrophic end of its solar system. How did it escape destruction?
The planet is larger than Jupiter.
The Night Sky
- Thread starter Roccus7
- Start date
Astronomers call for renaming the Magellanic Clouds
Explorer Ferdinand Magellan is not a fitting namesake for the pair of satellite galaxies of the Milky Way, a group of scientists argues.
www.sciencenews.org
When they're complete the night sky will never be the same....
“At the moment, there are 18 constellations that we know are planned all over the world,” Dr. Eggl said. “The total number of satellites is a stunning half a million that people are planning to put up there. This is 100 times more than we already have.”
www.nytimes.com
“At the moment, there are 18 constellations that we know are planned all over the world,” Dr. Eggl said. “The total number of satellites is a stunning half a million that people are planning to put up there. This is 100 times more than we already have.”
A New Satellite Outshines Some of the Brightest Stars in the Sky
Astronomers warn that BlueWalker3, a test spacecraft with a large array of antennas, could be the first of many larger satellites in low-Earth orbit that interfere with astronomical observations.
wader
Well-Known Angler
Rare 'ring of fire' solar eclipse will cross the U.S. on Saturday: Here's how to see it
A spectacular solar eclipse will be visible across the entire continental U.S. this weekend, offering people from coast to coast the chance to see the moon take a “bite” out of the sun and affording lucky sky-watchers in nine states the opportunity to witness a rare “ring of fire” in the sky.
Yep, like usual for these events socked in here
It’s almost showtime for SpaceX’s massive Starship rocket
SpaceX will again target a morning liftoff for the rocket.
arstechnica.com
Some context on the first picture, this from today's Astronomy Picture of the Day emphasizing that every point of light in the photo is a GALAXY!!
Explanation: There's a new space telescope in the sky: Euclid. Equipped with two large panoramic cameras, Euclid captures light from the visible to the near-infrared. It took five hours of observing for Euclid's 1.2-meter diameter primary mirror to capture, through its sharp optics, the 1000+ galaxies in the Perseus cluster, which lies 250 million light years away. More than 100,000 galaxies are visible in the background, some as far away as 10 billion light years. The revolutionary nature of Euclid lies in the combination of its wide field of view (twice the area of the full moon), its high angular resolution (thanks to its 620 Megapixel camera), and its infrared vision, which captures both images and spectra. Euclid's initial surveys, covering a third of the sky and recording over 2 billion galaxies, will enable a study of how dark matter and dark energy have shaped our universe.
Very disappointing news, but pretty obvious based on recent events...
NASA astronauts last walked on the moon in December 1972. In 2019, NASA announced Artemis, a return-to-the-moon program. Artemis I, an uncrewed test flight, launched in 2022. The first moon landing is Artemis III.
Last week, the Government Accountability Office assessed the moon landing’s prospects.
Although NASA and its contractors have made progress, Artemis III is “unlikely to occur in 2025 as planned,” the G.A.O. concluded.
The G.A.O’s report focused on two delayed pieces of the program: a lunar lander that is a version of the Starship spacecraft from Elon Musk’s SpaceX, and the spacesuits needed during a moonwalk.
Two test launches of Starship failed to reach orbit, and key milestones in the lander’s development have already been delayed
SpaceX’s timeline is also much speedier than most major NASA projects. If Starship takes the average time it will not be ready until 2027.
Axiom Space of Houston must complete major work on the lunar spacesuits, including a NASA requirement that the suits provide astronauts with an hour of emergency oxygen, more than any previous spacesuit.
Before Artemis III, NASA must complete Artemis II. That flight will take four astronauts around the moon in another spacecraft, Orion, but not land on the surface. That flight is facing potential delays, too.
Engineers are studying why Orion’s heat shield eroded more than expected during Artemis I.
NASA continues to plan to launch Artemis II late in 2024. But it could be pushed back if major changes are needed to the Orion capsule.
If NASA’s lunar landing slips years into the future, there could be another international moon race, with China.
In May, a space official said China plans to put astronauts on the moon’s surface by 2030.
NASA’s Moon Race Is Running Late
NASA says it will land astronauts on the moon again in December 2025. But it will almost certainly miss that target, perhaps by yearsNASA astronauts last walked on the moon in December 1972. In 2019, NASA announced Artemis, a return-to-the-moon program. Artemis I, an uncrewed test flight, launched in 2022. The first moon landing is Artemis III.
Last week, the Government Accountability Office assessed the moon landing’s prospects.
Although NASA and its contractors have made progress, Artemis III is “unlikely to occur in 2025 as planned,” the G.A.O. concluded.
The G.A.O’s report focused on two delayed pieces of the program: a lunar lander that is a version of the Starship spacecraft from Elon Musk’s SpaceX, and the spacesuits needed during a moonwalk.
Two test launches of Starship failed to reach orbit, and key milestones in the lander’s development have already been delayed
SpaceX’s timeline is also much speedier than most major NASA projects. If Starship takes the average time it will not be ready until 2027.
Axiom Space of Houston must complete major work on the lunar spacesuits, including a NASA requirement that the suits provide astronauts with an hour of emergency oxygen, more than any previous spacesuit.
Before Artemis III, NASA must complete Artemis II. That flight will take four astronauts around the moon in another spacecraft, Orion, but not land on the surface. That flight is facing potential delays, too.
Engineers are studying why Orion’s heat shield eroded more than expected during Artemis I.
NASA continues to plan to launch Artemis II late in 2024. But it could be pushed back if major changes are needed to the Orion capsule.
If NASA’s lunar landing slips years into the future, there could be another international moon race, with China.
In May, a space official said China plans to put astronauts on the moon’s surface by 2030.
wader
Well-Known Angler
Saturn's rings will 'disappear' in less than 2 years
If you have a telescope or a pair of binoculars, you may want to keep an eye on Saturn for the next year or so.
wader
Well-Known Angler
Coronal mass ejection from colossal New Year's Eve solar flare will strike Earth today
A coronal mass ejection from an X-5 class flare that erupted on New Year's Eve, the strongest flare of solar cycle 25, will likely trigger geomagnetic storms when it hits Earth today (Jan. 2).
JackPrintMD
Well-Known Angler
wader
Well-Known Angler
A Missing Asteroid Could Hit the Earth in 2024
Moving across the country can feel like the end of the world, but for one fictional family in the 2021 disaster film Asteroid (streaming now on Peacock), the association was a little more literal. When the three of them (Spencer, Lynn, and Zoe) leave their hectic life in the big city for a...
JackPrintMD
Well-Known Angler
”nothing to worry about” LMFAOA Missing Asteroid Could Hit the Earth in 2024
Moving across the country can feel like the end of the world, but for one fictional family in the 2021 disaster film Asteroid (streaming now on Peacock), the association was a little more literal. When the three of them (Spencer, Lynn, and Zoe) leave their hectic life in the big city for a...www.yahoo.com
”nothing to worry about” LMFAO
Houston we have a problem!!
The Astrobotic Peregrine lunar lander during preparations for launch in Florida in November.Credit...NASA, via Agence France-Press — Getty Images
The first NASA-financed commercial mission to send a robotic spacecraft to the surface of the moon will most likely not be able to make it there.
The lunar lander, named Peregrine and built by Astrobotic Technology of Pittsburgh, encountered problems shortly after it lifted off early Monday morning from Cape Canaveral, Fla. The launch of the rocket, a brand-new design named Vulcan, was flawless, successfully sending Peregrine on its journey.
But a failure in the lander’s propulsion system depleted its propellant and most likely ended the mission’s original lunar ambitions.
“The team is working to try and stabilize the loss, but given the situation, we have prioritized maximizing the science and data we can capture,” Astrobotic said in a statement. “We are currently assessing what alternative mission profiles may be feasible at this time.”
The failure raises questions about NASA’s strategy of relying on private companies, mostly small startups, for getting science experiments to the lunar surface. Those scientific studies are part of the space agency’s preparations ahead of sending astronauts back to the moon under its Artemis program.
Peregrine was the first of the missions under NASA’s Commercial Lunar Payload Services program, or CLPS, to get off the ground. Ever since CLPS was announced in 2018, NASA officials have said that they are willing to take greater risks in exchange for lower costs and that they expect some of the missions to fail.
That is in contrast to the Apollo program of the 1960s, in which NASA built a series of its own robotic lunar landers. But that approach is expensive, and this time NASA wanted to encourage private industry to come up with its own solutions that would be cheaper and might create a new market for universities, businesses and the space agencies of other nations that want to send payloads to the moon.
American Company’s Spacecraft Malfunctions on Its Way to the Moon
After a flawless launch to orbit, the privately built robotic Peregrine lander is unlikely to reach the lunar surface because of a failure in its propulsion system.
The Astrobotic Peregrine lunar lander during preparations for launch in Florida in November.Credit...NASA, via Agence France-Press — Getty Images
The first NASA-financed commercial mission to send a robotic spacecraft to the surface of the moon will most likely not be able to make it there.
The lunar lander, named Peregrine and built by Astrobotic Technology of Pittsburgh, encountered problems shortly after it lifted off early Monday morning from Cape Canaveral, Fla. The launch of the rocket, a brand-new design named Vulcan, was flawless, successfully sending Peregrine on its journey.
But a failure in the lander’s propulsion system depleted its propellant and most likely ended the mission’s original lunar ambitions.
“The team is working to try and stabilize the loss, but given the situation, we have prioritized maximizing the science and data we can capture,” Astrobotic said in a statement. “We are currently assessing what alternative mission profiles may be feasible at this time.”
The failure raises questions about NASA’s strategy of relying on private companies, mostly small startups, for getting science experiments to the lunar surface. Those scientific studies are part of the space agency’s preparations ahead of sending astronauts back to the moon under its Artemis program.
Peregrine was the first of the missions under NASA’s Commercial Lunar Payload Services program, or CLPS, to get off the ground. Ever since CLPS was announced in 2018, NASA officials have said that they are willing to take greater risks in exchange for lower costs and that they expect some of the missions to fail.
That is in contrast to the Apollo program of the 1960s, in which NASA built a series of its own robotic lunar landers. But that approach is expensive, and this time NASA wanted to encourage private industry to come up with its own solutions that would be cheaper and might create a new market for universities, businesses and the space agencies of other nations that want to send payloads to the moon.
wader
Well-Known Angler
NASA's historic Mars helicopter Ingenuity grounded for good after 72 flights
NASA said on Thursday its Mars robot helicopter Ingenuity, the first vehicle to achieve powered, controlled flight on another world, has been grounded for good after flying dozens of times over three years, ending a landmark mission that far exceeded all expectations. The fate of Ingenuity was...
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