Understanding how the Earth and moon formed is important for piecing together the history of the solar system ... as well as water and other gasses delivered by comets and meteorites crashing into the ...

Scientists know that while some of these meteorites come from the Moon and Mars ... found on Earth. Most are known as “ordinary chondrites”. They are then divided into three broad classes ...

THE moon is just a chunk of the Earth and not ... lost its rocky mantle in earlier collisions and then slammed into the early Earth like a metallic cannonball. “If this were the case, Theia ...

This would explain the similarity in the composition of the Earth and the Moon." The data obtained also provide an insight into the history of water on Earth: according to a widespread assumption ...

New research has shown that when an asteroid slammed into the Moon billions of years ago, it carved a pair of huge canyons on the far side that faces away from Earth. The incoming space rock is ...

Dwarf planet Pluto and our Earth are the only ... The debris blasted out into space, forming a temporary ring around our planet that eventually coalesced into the moon we know today.