Late Heavy Bombardment - 'The Late Heavy Bombardment (commonly referred to as the lunar cataclysm, or LHB) is a hypothetical event around 4.1 to 3.8 billion years ago. During this event an extraordinary number of the impact craters on the Moon would have formed, and by inference an extraordinary large number of impacts on Earth...  Extrapolating lunar cratering rates to Earth:   22,000 craters with diameters >20 km,  about 40 > 1,000 km, several > 5,000 km'

Late Heavy Bombardment - 'The Late Heavy Bombardment (commonly referred to as the lunar cataclysm, or LHB) is a hypothetical event around 4.1 to 3.8 billion years ago. During this event an extraordinary number of the impact craters on the Moon would have formed, and by inference an extraordinary large number of impacts on Earth... Extrapolating lunar cratering rates to Earth: 22,000 craters with diameters >20 km, about 40 > 1,000 km, several > 5,000 km'

Fomalhaut system could be experiencing its own version of our Late Heavy Bombardment.

Fomalhaut system could be experiencing its own version of our Late Heavy Bombardment.

Incoming! The LHB probably lasted a lot longer than previously thought, with some really big blasts, too.

Incoming! The LHB probably lasted a lot longer than previously thought, with some really big blasts, too.

The Late Heavy Bombardment and Other Impacts That Helped Shape Our Solar System

The Late Heavy Bombardment and Other Impacts That Helped Shape Our Solar System

Impacts that not only shaped our solar system, but determined the orbital patterns of our planets.

The Hadean, being an informal not stratigraphically defined eon, is here defined as the period from the Tellus (proto-Earth)-Theia impact (circa 4520 mya) to the end of the LHB (Late Heavy Bombardment) period,about 3800 bya. Recently, Goldblatt et al. 2010 have proposed an even earlier eon, the Chaotian,for events pertaining to the formation of the Solar System

The Hadean, being an informal not stratigraphically defined eon, is here defined as the period from the Tellus (proto-Earth)-Theia impact (circa 4520 mya) to the end of the LHB (Late Heavy Bombardment) period,about 3800 bya. Recently, Goldblatt et al. 2010 have proposed an even earlier eon, the Chaotian,for events pertaining to the formation of the Solar System

Ganymede and Callisto’s evolutionary paths diverged about 3.8 billion years ago during the Late Heavy Bombardment, the phase in lunar history dominated by large impact events.

Ganymede and Callisto’s evolutionary paths diverged about 3.8 billion years ago during the Late Heavy Bombardment, the phase in lunar history dominated by large impact events.

The Late Heavy Bombardment: A Violent Assault on Young Earth

The Late Heavy Bombardment: A Violent Assault on Young Earth

Visualization Studio The South Pole–Aitken Basin on the far side of the moon could tell us more about the late heavy bombardment

Visualization Studio The South Pole–Aitken Basin on the far side of the moon could tell us more about the late heavy bombardment

Late Heavy Bombardment: construction in the destruction? Comet and asteroid barrage may have given Martian life a leg-up  Where Earth nurtured life, Mars (as far as we know) has not. But a seemingly destructive event some four billion years ago may have given Martian life the boost it needed.

Comet and asteroid barrage may have given Martian life a leg-up

Late Heavy Bombardment: construction in the destruction? Comet and asteroid barrage may have given Martian life a leg-up Where Earth nurtured life, Mars (as far as we know) has not. But a seemingly destructive event some four billion years ago may have given Martian life the boost it needed.

#Mars #Space – Mars Had Surprising 400-Million-Year Lull Between Giant-Impact Eras : Mars enjoyed about 400 million years of relative peace between two giant-impact epochs long ago, a new study suggests. Researchers determined that there were likely no gigantic impacts on the Red Planet between about 4.5 billion years ago and the “Late Heavy Bombardment” …

#Mars #Space – Mars Had Surprising 400-Million-Year Lull Between Giant-Impact Eras : Mars enjoyed about 400 million years of relative peace between two giant-impact epochs long ago, a new study suggests. Researchers determined that there were likely no gigantic impacts on the Red Planet between about 4.5 billion years ago and the “Late Heavy Bombardment” …

BBC Earth - Timeline - The Late Heavy Bombardment and the early Earth

BBC Earth - Timeline - The Late Heavy Bombardment and the early Earth

Interior density structures created by an outer solar system late heavy bombardment onto Ganymede (top row) and Callisto (bottom row): SwRI

Interior density structures created by an outer solar system late heavy bombardment onto Ganymede (top row) and Callisto (bottom row): SwRI

Late Heavy Bombardment

Late Heavy Bombardment

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