Abstract
Astronomy 1010 Planetary Astronomy Fall_2013 Day-28.
Widespread mixing and_burrial_of_earth_hadean_crust_by_asteroid_impacts
It’s not the energy, it’s the entropy Saturn’s age is revealed in its moons Earth’s water source is not in the meteorite collections... Is the Hadean Earth.
Early Earth History Key Reference: Nisbet and Sleep, The habitat and nature of early life, Nature, 409, 1083-1091, 2001. Solar system began about 4.6 Gy.
Astronomy 1010-H Planetary Astronomy Fall_2015 Day-27.
Lecture 6: Earth as a Planet 1.The Young Earth 2.Earth as a planet: interior 3.Plate tectonics 4.Atmosphere.
