Space crafts researching the atmospheres of Mars and Venus are revealing how similar the two planets are to one another. The new observations show that, despite the differences in size and distance from the Sun, Mars and Venus are surprisingly similar. Both planets have beams of electrically charged particles flowing out of their atmospheres. The particles are being accelerated away by interactions with the solar wind, a constant stream of electrically charged particles released by the Sun.
More at: http://www.astronomy.com/asy/default.aspx?c=a&id=6710
Mikey Pannier
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