All posts filed under: Astronomy

The study of celestial objects: stars, galaxies, planets, moons, nebulae and more.

The big sleep

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Astronomy / Health / Medicine / Zoology

Bats, bears and some birds do it, but humans can’t: hibernation. Animals hibernate to save energy through long cold winters. Sounds appealing, doesn't it? NASA wants to know if human hibernation is possible. Why? Because it because it would make the trip to Mars a hell of a lot less boring.

Cosmic close shaves

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Astronomy / Geology / Myths / Physics

What were you doing at 3:19am Tuesday 27 January? That’s when a huge asteroid passed within 1.2 million kilometres of our planet. Fortunately that’s about three times the distance to the moon so we weren’t in any danger. But how often do rocks from space actually collide with Earth? And what happens when they do?