At the end of the cycle and processing, it is incorporated into comets and meteorites.
And while comets may have played a vital role in the origin of life, conversely they may also have been inimical to its development.
It is a historical fact that the comet appeared in the spring of 1066.
The test of which explanation is better involves the velocity of the fragment comets relative to the original comet from which they seemed to split.
As a consequence, no clustering can persist into the next revolution for these comets.
In the meantime, evidence for comet satellites was mounting as well.
Anyone working with the published new comet data could arrive at the same conclusion.
It has become increasingly appreciated that, in addition to their cargo of ice and dust, comets also contain a large amount of organic material.
