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Friday, 17 November 1995, 12:00AM

How Big is Space?

Professor Heather Couper

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?

Speaker_HeatherCouper2.jpg

Heather Couper was the Gresham Professor of Astronomy between 1993 and 1996.

After studying Astrophysics at Oxford University, Professor Couper ran the Greenwich Planetarium, and later became President of the British Astronomical Association and Gresham Professor of Astronomy. After presenting two TV series, she and two colleagues set up Pioneer Productions, now one of the leading factual TV companies in the UK. She was the producer of Universe and of the international award-winning programme Electric Skies.

On 2 June 1999, asteroid 3922 Heather was named in her honour.

At the time of her appointment to the Gresham Professorship in 1993, she wrote the following:

How did the universe being? Is there life elsewhere? What's a black hole? Every day, I'm asked questions like this - questions ostensibly about astronomy, but which serve as marvellous springboards into all the other sciences. Because of this, I've always wanted a platform where I could address the "top twenty" questions about the Universe. But how - and where? Broadcasting? Writing? Too remote. But face-to-face lecturing? Absolutely. That's why I'm delighted to have been appointed Gresham Professor of Astronomy, in order to have the opportunity, in Sir Thomas Gresham's words, to explain - as best I can - the "new learning" in the field of the sciences.

All of Professor Couper's lectures can be found here.


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