Wednesday, August 12, 2009

light

As AKARI observed Itokawa on 26 July it was in the constellation of Scorpius, and was about 19 magnitudes bright in visible light. The asteroid and Earth were closest to each other, at a distance of about 42 million km (for comparison, Earth is 150 million km from the Sun). Given how close it was, Itokawa moved a significant distance on the sky over the short observing ti

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Sursa Speranta.info
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Am vazut multe ceasuri superbe pe www.topceas.ro
Am vazut multe ceasuri superbe pe www.topceas.ro
Am vazut multe ceasuri superbe pe www.topceas.ro
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me.