William Kenneth Hartmann
✓ Source-basedfallingAmerican astronomer
Fame42.4
MomentumNot measured
Languages12
In century#99,929
William Kenneth Hartmann is an American planetary scientist, artist, author, and writer. He was the first to convince the scientific mainstream that the Earth had once been hit by a planet sized body (Theia), creating both the Moon and the Earth's 23.5° tilt.
Photos 1
Awards 5
Connected to William 6
About this person
Country
Category
Scientists
Type
Scientist
Status
living
Dates
Born 1939 · age 87
Written about in
12 languages
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