Supernova mystery found at the bottom of the ocean

Could secrets of the galaxy be found at the bottom of the ocean? Researchers at Australian National University seem to think so.

They are studying these teeny-tiny particles of sediment that they say are extraterrestrial dust that has sunk down from space to the bottom of the ocean floor.

The researchers initially thought these particles came from a supernova -- you know, when a massive star dies and explodes in the sky.

However, now, because of the weight and type of radioactive material that makes up the dust, researchers think it might not be from a supernova after all.

The ANU team thinks it might be from an even more explosive event like two stars colliding close to the earth unlocking an even bigger space mystery than before.

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