What is a Planet? ; How should a Planet be Defined?
Jun08

What is a Planet? ; How should a Planet be Defined?

Science is supposed to be precise in its definitions, proofs and theorems. Its something today that we just expect so it may come as something of a shock that the definition of one of the most fundamental of celestial bodies, a planet, wasn’t actually defined until the 1990’s !

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Where do the Space Station Astronauts get their Air?
Nov24

Where do the Space Station Astronauts get their Air?

Astronauts first moved into the International Space Station in October 2000 and since then they have been supplied with oxygen created by a process discovered by the chemist William Nicholson over 200 years ago : Electrolysis

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How do Astronauts wash in space?
Mar11

How do Astronauts wash in space?

If you’re one of the human races few that are going to “boldly go where no man has gone before”, then keeping clean could be a problem in zero-gravity

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Voyager 1 & 2 – Emissary to Alien Worlds
Nov09

Voyager 1 & 2 – Emissary to Alien Worlds

Voyager I & II has a strange payload. Messages from 1977 Earth to aliens !

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