Science, Maths & Technology
Ceres: Is it an asteroid? Is it a comet? Erm...
...system and then scattered inwards as the giant planets migrated outwards. Alternatively, Ceres could have formed more or less where it is, and incorporated nitrogen-containing organic molecules, which, like the water ice, were transported inwards from beyond Neptune. While this might not sound all that significant, it does have quite profound ramifications for our...