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Launches: 225 (fails: 7)
Toilets in Space: 9
Black Hole Stars
One of the JWST's first and most confusing discoveries was the presence of red dots shining bright in the early universe. Numerous papers have tried to explain these objects in different ways, with my favorite explanations considering the possibility of a massive...
A Lion in False Fantasy Colors
Meet the Lion nebula (NGC 2392). If you use your imagination, it actually does look like a lion, with the bright central white dwarf star marking a nose and the loops of material on the top left and right of the central spiograph marking ears. This is a completely...
A plume, a crater, and one less piece of space debris
Last Tuesday, an empty Falcon 9 second stage careened into the Moon (our pre-event coverage is here). While we still don't have the highest resolution images that will ultimately come from Lunar Reconnaissance Orbiter, we do have other data that makes it clear, the...
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Falcon 9 space debris to hit Moon Aug 4-5
TL:DR:On the night of August 4 into the morning of August 5, an empty Falcon 9 second stage will hit the Moon in the vicinity of Moseley, Einstein, and Bell craters, at about 19.461°N, 266.707°E. You can see an LRO view here, and a finding chart is below. We expect...
How far he’s come: Perseverance Rover
Perseverance Rover - aka Percy - has been exploring Jezero Crater and the attached flood delta since it was deployed on Mars in February 2021. This wonderfully weird region was produced when a flooded crater - a flooded Jezero Crater - had one of its crater walls...
Euclid seeks and finds earliest quasars
NASA, ESA, Joseph Olmsted (STScI) I've said it before and I'll say it again: science advances at the pace of technology and creativity. We can't control when someone will have the kind of innovative idea that changes everything, but we can invest in the technologies...
A tale of two (space) rocks
Credit: (left) CNA, (right) JAXA This was a wild week on many fronts, but the only wild news that matters to this science team is the return of images from two spacecraft. China's Tianwen-2 with images of quasi-moon Kamo'oalewa, and Hayabusa2 with asteroid Torifune....
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Lucy in the Sky with a Peanut
Credit: NASA/Goddard/SwRI/Dan Gallagher Image of Donaldjohanson: NASA/Goddard/SwRL/JHU-APL A new paper from a team working with the Lucy mission imaged the asteroid Donaldjohanson in April of 2025. As it passed this space rock on its way to Jupiter’s Trojan asteroids,...
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