Astronomers uncover collisional signature of filamentary structures in galactic G34 molecular cloud

Using CO (J=1–0) molecular line data obtained from the 13.7-meter millimeter-wave telescope at the Purple Mountain ...
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How do asteroids spin in space? The answer could help us prevent a catastrophic Earth impact

"With these probability maps, we can push asteroids away while preventing them from returning on an impact trajectory, ...