| The presence of basalt means that the asteroid must have melted partially at some time in the past, which implies that it was once part of a larger body which had internal heating processes. However, there do not appear to be other basaltic fragments in the region and, from spectral analysis, it is not clear whether the two are fragments of the same parent b Am vazut multe ceasuri superbe pe www.topceas.ro |
Wednesday, August 12, 2009
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