Venus

In Our Time: Science

BBC

History

4.5 • 1.4K Ratings

🗓️ 27 December 2018

⏱️ 51 minutes

🔗️ Recording | iTunes | RSS

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Summary

Melvyn Bragg and guests discuss the planet Venus which is both the morning star and the evening star, rotates backwards at walking speed and has a day which is longer than its year. It has long been called Earth’s twin, yet the differences are more striking than the similarities. Once imagined covered with steaming jungles and oceans, we now know the surface of Venus is 450 degrees celsius, and the pressure there is 90 times greater than on Earth, enough to crush an astronaut. The more we learn of it, though, the more we learn of our own planet, such as whether Earth could become more like Venus in some ways, over time. With Carolin Crawford Public Astronomer at the Institute of Astronomy and Fellow of Emmanuel College, University of Cambridge Colin Wilson Senior Research Fellow in Planetary Science at the University of Oxford And Andrew Coates Professor of Physics at Mullard Space Science Laboratory, University College London Produced by: Simon Tillotson and Julia Johnson

Transcript

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0:00.0	Hey, it's Doleepa, and I'm at your service.
0:04.7	Join me as I serve up personal conversations with my sensational guests.
0:08.8	Do a leap interviews, Tim Cook.
0:11.2	Technology doesn't want to be good or bad.
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0:20.7	If you're looking at your phone more than you're looking in someone's eyes,
0:24.6	you're doing the wrong thing.
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0:36.0	Thanks for downloading this episode of in our time.
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0:46.2	enjoy the programs. Hello the planet Venus is both the Morning Star and
0:50.6	the Evening Star. It rotates backwards at walking speed and its day is longer than
0:55.3	its year, yet it's long been called Earth's twin. The differences are more striking than the
1:00.8	similarities. Once imagined to be covered with steaming
1:03.6	jungles and oceans we now know the surface of Venus is 450 degrees Celsius and
1:08.6	the pressure there is 90 times greater than on Earth enough to crush any
1:12.4	astronaut. The more we learn of it though, the more
1:15.0	we learn of our own planet such as whether Earth could become more like Venus in some ways
1:19.2	over time. We'd be to discuss the planet Venus Isle, Carolyn Crawford, public astronomer at the Institute of Astronomy and
1:26.2	fellow of Emanuel College University of Cambridge, Colin Wilson, Senior Research Fellow in
1:30.8	Planetary Science at the University of Oxford and Andrew Coates
	...

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