BBC - Astronomy: Stardate

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Solar System Facts

Explore the astonishing variety of the planets and the Sun with our guide to the Solar System. Discover Venus' vital statistics and why a single day on Mercury might drag on a bit.

Click here to launch Solar System facts

The tool is a Flash file, but if you don't have it on your computer, click here to get Flash.

Your place in the universe

Get to know the neighbourhood - and what's beyond - with our simple-to-use guide to our place in space: You are here.

Interact With The Universe

Explore space in more depth with our interactive features:

Universe timeline
Solar System facts
You are here
Measure the AU
Mission to Brighton
Explore Mars
Virtual planisphere