2015年7月17日 星期五

NASA’s New Horizons Discovers Frozen Plains in the Heart of Pluto’s ‘Heart’

In the latest data from NASA’s New Horizons spacecraft, a new close-up image of Pluto reveals a vast, craterless plain that appears to be no more than 100 million years old, and is possibly still being shaped by geologic processes.

July 17, 2015
from NASA http://ift.tt/1SrUZZo
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