MEXICO: NASA is about to lose a space probe MESSENGER, or MErcury Surface, Space ENvironment, GEochemistry, and Ranging, was the first dedicated space probe for Mercury, the closest planet to our sun. It started orbiting in March 2011.
Now, it’s almost out of the helium fuel it uses to hold its line against the gravity of Mercury and the sun.NASA says after one last correction burn on Friday MESSENGER’s demise will be just a matter of time.
And speed. MESSENGER will be doing 8,750 mph when it spirals into Mercury’s surface. The impact is expected to be on the far side of the planet, hidden from the view of Earth.
And yes, Mercury’s minimal atmosphere means MESSENGER actually will hit the surface, instead of burning up.
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