NASAのインスタグラム(nasa) - 11月13日 05時50分

“We congratulate ESA on their successful landing on a comet today," says John Grunsfeld, astronaut and associate administrator for NASA’s Science Mission Directorate in Washington, about the successful comet landing by the European Space Agency’s Rosetta mission. "This achievement represents a breakthrough moment in the exploration of our solar system and a milestone for international cooperation. We are proud to be a part of this historic day and look forward to receiving valuable data from the three NASA instruments on board Rosetta that will map the comet’s nucleus and examine it for signs of water." "The data collected by Rosetta will provide the scientific community, and the world, with a treasure-trove of data. Small bodies in our solar system like comets and asteroids help us understand how the solar system formed and provide opportunities to advance exploration. We look forward to building on Rosetta's success exploring our solar system through our studies of near earth asteroids and NASA's upcoming asteroid sample return mission OSIRIS-REx. It’s a great day for space exploration." This is the first time in history that a spacecraft has attempted a soft landing on a comet. Rosetta is an international mission led by the European Space Agency (ESA), with instruments provided by its member states, and additional support and instruments provided by NASA.

Comets are considered primitive building blocks of the solar system that are literally frozen in time. They may have played a part in "seeding" Earth with water and, possibly, the basic ingredients for life. Image credit: ESA/Rosetta/Philae/ROLIS/DLR

#CometLanding #Rosetta #Philae #nasa #space

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