Tagged With earth formation

If you made a building out of bricks and cinderblocks, then hundreds of years later you'd expect it to still be, well, a building made of bricks and cinderblocks. But planets are not buildings if you haven't noticed. Earth, for instance, just doesn't seem to have the same composition as the meteors thought to have formed it. And scientists want to know how it got to be that way.

Predicting the future is near impossible -- but that doesn‘t stop us all from having a red hot go. Human beings have been predicting the future since the beginning of history and the results range from the hilarious to the downright uncanny.

One thing all future predictions have in common: they‘re rooted in our current understanding of how the world works. It‘s difficult to escape that mindset. We have no idea how technology will evolve, so our ideas are connected to the technology of today.

If you made a building out of bricks and cinderblocks, then hundreds of years later you'd expect it to still be, well, a building made of bricks and cinderblocks. But planets are not buildings if you haven't noticed. Earth, for instance, just doesn't seem to have the same composition as the meteors thought to have formed it. And scientists want to know how it got to be that way.