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Climate models used to explain formation of Mars valley networks
Climate models Mars valley networks
2015/11/13
The extensive valley networks on the surface of Mars were probably created by running water billions of years ago, but the source of that water is unknown. Now, a team of Penn State and NASA researche...
SYSTEMATIC ERRORS OF SOME PARAMETERS WHICH HAVE BEEN USED IN THE TREATEMENT OF BELGRADE CATALOGUE OF ABSOLUTE DECLINATIONS (BCAD)
BELGRADE CATALOGUE ABSOLUTE DECLINATIONS SYSTEMATIC ERRORS
2009/4/23
SYSTEMATIC ERRORS OF SOME PARAMETERS WHICH HAVE BEEN USED IN THE TREATEMENT OF BELGRADE CATALOGUE OF ABSOLUTE DECLINATIONS (BCAD)。
