꼬리
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[APOD/NASA] Comet C/2017 K2 (PanSTARRS)science 2022. 7. 2. 10:54
수많은 별들 사이를헤치고 가는 혜성의 꼬리를 보니부모를 찾아 헤매는 우주의 미아 같아요.Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)NASA Official: Phillip Newman Specific rights apply.NASA Web Privacy Policy and Important NoticesA service of: ASD at NASA / GSFC& Michigan Tech. U.
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[APOD/NASA] 화성의 나트륨 꼬리science 2022. 5. 6. 02:11
Mercury's Sodium TailImage Credit & Copyright: Sebastian VoltmerExplanation: That's no comet. Below the Pleiades star cluster is actually a planet: Mercury. Long exposures of our Solar System's innermost planet may reveal something unexpected: a tail. Mercury's thin atmosphere contains small amounts of sodium that glow when excited by light from the Sun. Sunlight also liberates these atoms from ..