Comet
Churyumov-Gerasimenko
TypeComet
Mass1 × 10¹³ kg
Diameter4.1 km
Orbital Radius518 million km
Orbital Period2,355 days
Rotation Period12.4 hours
Known Moons0
Surface Gravity~0.0001 m/s²
Average Temp-70 °C
AtmosphereH2O, CO2, CO, O2
Discovered ByChuryumov and Gerasimenko
Discovery Year1969
About Churyumov-Gerasimenko
Comet 67P, famous for being visited by ESA Rosetta mission (2014-2016). Rosetta orbited it for 2 years and landed Philae on its surface. Rubber duck shaped, made of two lobes. Found to contain molecular oxygen and the amino acid glycine. Water has different isotope ratio than Earth oceans.
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