* Astronomy

Right, before we begin, this is what you need to know. One light year equals the seconds in one year (31,556 926) x 186,000 (miles). Or... wait for it... 5,878,625, 373,183 and a bit miles. The sun is eight light MINUTES away, the moon 250,000 miles. Or one-and-a-half light SECONDS, if you prefer.
Why is this important? Because it's the only way you can possibly get a handle on the work of Greg Parker, the Southampton professor who photographs the universe - from the back of his garden in Brockenhurst.

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