Imagine if all of a sudden things in space shifted slightly and we discovered another planet that was just like ours.
How would we react? What would we do first? Who would be the first ones to travel there? Would we travel there?
Gliese 581 g is a planet orbiting the red dwarf star Gliese 581, approximately 20.5 light-years away from Earth in the constellation of Libra. It is the sixth planet discovered in the Gliese 581 planetary system and the fourth in order from the star.
( learn more at : New planet like Earth, Gliese 581g )
The planet Pluto has yet to be visited by a spacecraft. It is hoped that the New Horizons craft will reach the planet on July 14, 2015. We do know that Pluto is a planet made up mostly of ice. Like its atmosphere, this icy surface is composed of Nitrogen, Methane and Carbon Monoxide. Its unusual 90,613-day orbit causes an anti-green house effect through freezing and sublimation. ( learn more at : The long journey to the Planet Pluto )
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