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.
More Quotes from Donald Yeomans:
The mission is to understand what a comet is made of and how it's put together.Donald Yeomans
Ten years ago, we would have been blissfully ignorant.
Donald Yeomans
Comets are thought to be icy dirtballs made up of exotic ices, dust, and rock particles,
Donald Yeomans
The beauty of this mission is that we don't know what to expect. But whatever happens, we'll learn something.
Donald Yeomans
The beauty of comets is that they are important to us. We probably would not be here were it not for comets. Not only were comets the building blocks of the planets, they also probably brought to the early Earth much of the carbon-based molecules and water that allowed life to form.
Donald Yeomans
Readers Who Like This Quotation Also Like:
Based on Topics: Astronomy & Cosmology Quotes, Water QuotesBased on Keywords: bombardment
I am aware of the usefulness of science to society and of the benefits society derives from it.
Subrahmanyan Chandrasekhar
I knew that if it ever got down to a choice between the Party and our traditional democratic structure I would fight the Party and our traditional democratic structure I would fight the Party to the bitter end.
Edward Dmytryk
I never regret anything. Because every little detail of your life is what made you into who you are in the end.
Drew Barrymore