Login
How Big is Space?
Share
- Details
- Text
- Audio
- Downloads
- Extra Reading
When you’re out at night with an astronomer, you’ll hear statements like ‘that planet is 500 million miles away’, or ‘that star is 1800 light years from Earth.’ Yet all the stars and planets look just like points of light stuck to the inside of a big dome. How can astronomers measure their distances, and how do they cope with the enormou snumbers involved?
Download Text
This event was on Fri, 17 Nov 1995
Support Gresham
Gresham College has offered an outstanding education to the public free of charge for over 400 years. Today, Gresham College plays an important role in fostering a love of learning and a greater understanding of ourselves and the world around us. Your donation will help to widen our reach and to broaden our audience, allowing more people to benefit from a high-quality education from some of the brightest minds.
