NASAのインスタグラム(nasa) - 1月23日 04時12分

Dwarf Planet Ceres (Artist's Impression)- Ceres is located in the main asteroid belt, between the orbits of Mars and Jupiter, as illustrated in this artist's conception. Observations by the Herschel space observatory between 2011 and 2013 find that the dwarf planet has a thin water vapor atmosphere. This is the first unambiguous detection of water vapor around an object in the asteroid belt.

Herschel is a European Space Agency mission, with science instruments provided by consortia of European institutes and with important participation by NASA. While the observatory stopped making science observations in April 2013, after running out of liquid coolant, as expected, scientists continue to analyze its data.

Credits: ESA/ATG medialab

#nasa #space #science #water @h2o #planet #herschel #esa #asteroid #atmosphere

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