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Discovery touchdown

Orbiter Discovery touched down at KSC without problems. They had some trouble putting it down in time; some landing attempt had to be scrubbed. But after about 8 million kilometers it finally touched down after…

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A rough start to the Solar System

The Solar System might have had a rougher start than previously thought. From ScienceNOW: According to the prevailing hypothesis, the solar system condensed out of an immense disk of gas and dust about 4.6 billion…