«I own about 95
different planetary bodies,» he says.
Not exact matches
Some of them, such as Saturn, Jupiter, Uranus and Neptune, additionally possess
planetary rings — a collection of still smaller
bodies of
different sizes that also orbit a planet.
But
planetary bodies that formed in
different parts of the solar system generally have
different isotopic compositions, so
different that the isotopic signatures serve as «fingerprints» for planets and meteorites from the same
body.
When asteroids or comets strike Venus, their effect is very
different from the one such
bodies produce on the Earth, Moon and Mars, says a
planetary scientist in the US.