Accelerate progress in our three core enterprises — Explore Worlds, Find Life, and Defend Earth. You can support the entire fund, or designate a core enterprise of your choice.
Comet Churyumov-Gerasimenko from Rosetta on July 11, 2014
Comet Churyumov-Gerasimenko from Rosetta on July 11, 2014 As Rosetta approached its target comet, the shape of the nucleus was revealed to be a contact binary -- two unequal-sized objects in contact with each other. All together, the object is about 4 by 3.5 kilometers in size. ESA / Rosetta / MPS for OSIRIS Team MPS / UPD / LAM / IAA / SSO / INTA / UPM / DASP / IDA