"These findings, supported by geochemical analysis of Martian meteorites, provide valuable in situ seismological observations that support the 'endogenic' hypothesis, suggesting that mantle ...

There is also an absence of geological features that would suggest an internal, endogenic origin for the organics. “Sites of such organic molecules are actually rare on Ceres, and devoid of any ...

The first hypothesis, the endogenic hypothesis, states that the transfer of heat in the interior of Mars billions of years ago formed the dichotomy. The second, the exogenic hypothesis ...