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1
English
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1.1
Alternative forms
1.2
Proper noun
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Late Heavy Bombardment
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From Wiktionary, the free dictionary
English
[
edit
]
English
Wikipedia
has an article on:
Late Heavy Bombardment
Wikipedia
Alternative forms
[
edit
]
LHB
(
initialism
)
Proper noun
[
edit
]
Late
Heavy
Bombardment
A prolonged event believed to have occurred around the
Hadean
-
Archean
boundary, during which an unusually high number of
asteroids
hit the
terrestrial planets
and their
moons
.
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en:Planetology
en:Earth sciences
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