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Radiometric ages of almost all meteorites fall between 4500 and 4700 m.y. The
oldest rocks recovered from the surface of the moon agree; their ages cluster
around 4600 m.y. suggesting that the earth is of about this age also. The second
... p y^ + r,) Vu Mean angular velocity n = — jt rate of change of the inclination is
0.269 deg/yr due to the sun, between 0.674 and 0.478 deg/yr due to the moon,
depending on the lunar orbit inclination, and zero due to the earth's oblate- ness.
Igneous geology has played a significant role in our understanding of the
evolution and genesis of the moon, and the improvements in techniques and
skills employed have been turned to good effect in terrestrial research.
Furthermore, it can ...
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Although almost a decade has passed since the second edition of this work was published, this encyclopedia's reputation as a high-quality scholarly work has not diminished. Guided by an advisory board ... Read full review
Fusion Devices Explosive 1 Brij Agrawal
Game Theory 37 Glacial Geology
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