News tagged with volcanic activity

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A peek at a pitch-black pit

MESSENGER captured this high-resolution image of an elongated pit crater within the floor of the 355-km (220-mile) -wide crater Tolstoj on Mercury on Jan. 11, 2012. The low angle of sun illumination puts the ...

Mar 20, 2012
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What if the earth had two moons?

The idea of an Earth with two moons has been a science fiction staple for decades. More recently, real possibilities of an Earth with two moon have popped up. The properties of the Moon’s far side has ...

Dec 28, 2011
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