Tag Archives: asteroid

Deflect An Asteroid?

Some days, it feels like humanity is doing everything it can to hasten the end of the world, from creating weapons that can turn Earth into a nuclear hellscape to pumping formerly sequestered carbon into the atmosphere at ever-increasing rates. Still, these are things we as a species could stop …

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Sacrificing Satellites

Some days, it feels like humanity is doing everything it can to hasten the end of the world, from creating weapons that can turn Earth into a nuclear hellscape to pumping formerly sequestered carbon into the atmosphere at ever-increasing rates. Still, these are things we as a species could stop …

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Neotropical Rainforests

About 66 million years ago (the end of the Cretaceous period), a 10-km-wide asteroid crashed into Earth near the site of the small town of Chicxulub in what is now Mexico. The impact unleashed an incredible amount of climate-changing gases into the atmosphere, triggering a chain of events that led …

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Organic Matter And Water

An international team of scientists has studied both the water and organic contents from a dust particle recovered from the surface of the near-Earth S-type asteroid 25143 Itokawa by JAXA’s Hayabusa mission, which was the first mission that brought pristine asteroidal materials to Earth. The S-type asteroid Itokawa. Image credit: …

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Almahata Sitta

The parent body of the Almahata Sitta meteorites — space rocks that rained down on the Nubian Desert in Sudan in 2008 — is a 640 to 1,800 km-wide water-rich asteroid that is as yet unknown, according to new research. Hamilton et al. studied the composition of Almahata Sitta 202 …

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Asteroid Mission Samples

  Japan’s Hayabusa2 mission wrapped up last week when the sample container parachuted down in Australia. The mission certainly looked like a success at every step along the way, but the true test is whether or not it collected the sample it flew out there to get. Today, the Japanese …

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Bennu’s Regolith

On October 28, 2020, NASA’s OSIRIS-REx spacecraft successfully stowed its Sample Return Capsule (SRC) with a sample of surface material from the near-Earth asteroid Bennu. This image shows OSIRIS-REx’s collector head hovering over the Sample Return Capsule after the Touch-And-Go Sample Acquisition Mechanism arm moved it into the proper position …

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NASA 2068 Asteroid ?

  Earth has been bombarded by space rocks throughout its history, but we’re lucky no large ones have slammed into the planet lately. Astronomers keep a careful watch on the skies, hoping to spot potential impactors far enough in advance that we can do something about it, and one of …

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NASA’s OSIRIS-REx

  NASA’s OSIRIS-REx spacecraft successfully landed gently on the surface of the asteroid Bennu last week and scooped up a sample of pristine material from the early solar system. It’s an incredible accomplishment for all involved, but OSIRIS-REx might end up a victim of its own success. NASA reports the …

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