Monday, November 26, 2018

Anxiety at Nasa as Mars landing day arrives

The robotic geologist — designed to explore Mars' insides, surface to core — must go from 12,300 mph (19,800 kph) to zero in six minutes flat as it pierces the Martian atmosphere, pops out a parachute, fires its descent engines and, hopefully, lands on three legs.

from Times of India https://ift.tt/2PY50YL

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Earth Had Ring System Similar To Saturn Roughly 466 Million Years Ago: Study

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