Stars, Cosmology and the Beginning of the Universe

The Naked Scientists Podcast

Dr Chris Smith

Natural Sciences, Science, Science Radio, Naked Scientists, Health & Fitness, Engineering, Medicine, Technology, Life Sciences

4.6 • 958 Ratings

🗓️ 27 November 2005

⏱️ 60 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

This week we dive into deep time as cosmologist Mike Hobson explains how we measure the universe, the distance of the nearest galaxy, how scientists calculate the life span of the sun, and the definition of a light year, Chris Voigt describes how he made a 100 megapixel camera from bacteria, and Derek and Dave cook up a treat in Kitchen Science. Like this podcast? Please help us by supporting the Naked Scientists

Transcript

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0:00.0	Live from the BBC The Naked Scientists.
0:07.0	A very good evening to you and welcome to this week's edition of The Naked Scientists with me,
0:12.4	Dr Chris, and with Dr. Cats.
0:14.6	Hello!
0:16.2	This evening we have an explosive show in store for you because we are winding back time to the
0:21.4	beginning of time.
0:22.4	That's right, we're going back 14.9 billion
0:24.3	years to the origins of our universe and the big bang. What is the big bang? How did
0:29.2	it all happen? Where did stars, galaxies, planets, comets and solar systems all come from.
0:34.3	And here to help us answer some of those questions
0:36.2	is from the University of Cambridge.
0:37.3	Good evening, Mike.
0:38.3	Good evening, Chris.
0:39.2	Thanks for popping in.
0:40.0	What sorts of things do you want people to ring up and ask you?
0:42.4	Any questions about cosmology, astronomy. And what sorts of things do you want people to ring up and ask you?
0:42.6	Any questions about cosmology, astronomy, the stars, galaxies, the big bang, although the answer
0:48.3	to the big bang on to straightforward as we'd like them to be.
0:51.5	That's Mike Hobson. If you'd like to ask him any questions on
0:53.8	anything to do with cosmology and the study of space science, 08459
0:58.2	25 2000 is the phone number. I'll be giving you that lots of times through the show,
1:03.0	don't worry if you've missed it. You can also email us Chris at naked scientist.com.
	...

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