Donald Yeomans
Donald Yeomans
assumed comet delivered heavy impacts late numerous today
It was assumed that, after the Late Heavy Bombardment let up, comet impacts ? which were then 1,000 times more numerous than today ? delivered Earth's water.
exotic rock
Comets are thought to be icy dirtballs made up of exotic ices, dust, and rock particles,
currently enjoying field intense period planetary science
The field of planetary science is currently enjoying an intense period of readjustment and discovery.
given ready seems
It seems MINERVA was ready to do its part if only given the chance.
blissfully ten
Ten years ago, we would have been blissfully ignorant.
asteroid clearly comet line longer rules
The line between comet and asteroid is no longer clearly drawn. The old rules probably don't apply.
solar study system wish
If you wish to study what the solar system is made of you study comets.
comet mission understand
The mission is to understand what a comet is made of and how it's put together.