The OSIRIS-REx sample return capsule contained rock from the asteroid Bennu. NASA/Keegan Barber
China’s Tianwen-2 asteroid sample return mission is set to launch this month, May 2025, en route to the asteroid Kamoʻoalewa (2016 HO3). The country could join the United States and Japan, whose space agencies have both successfully retrieved a sample from an asteroid to study back on Earth.
Several space missions have flown by asteroids before and gotten a peek at their compositions, but bringing a sample back to Earth is even more helpful for scientists. The most informative analyses require having physical samples to poke and prod, shine light at, run through CT scanners and examine under electron microscopes.
These missions require detailed planning and specialized spacecraft, so to shed light on why agencies go through the trouble, we compiled four stories from The Conversation U.S.’s archive. These articles describe the ways asteroid sample return missions generate new…
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Author : USA365
Publish date : 2025-05-13 21:10:00
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