Plant Pathogens Observed From Orbit

25 June 2012

What can farmers learn from physicists? This month in Naked Astronomy we'll find out how satellite imaging can help to understand and control crop diseases, as well as how precisely timed pulsars point to gravitational waves. Plus, a roundup of space science news and the answers to your astronomy and cosmology questions.

In this episode

01:31 - Studying Crop Diseases from Space

Studying Crop Diseases from Space
with Dr Hugh Mortimer, Rutherford Appleton Laboratories

09:00 - Exoplanets Around Low Metallicity Stars

Exoplanets Around Low Metallicity Stars

13:13 - NuSTAR - a New X-Ray Telescope

NuSTAR - a New X-Ray Telescope

17:39 - If the Earth stopped spinning, would things get heavier?

If the Earth stopped spinning, would things get heavier?

19:24 - Does Mars have a magnetic field?

Does Mars have a magnetic field?

24:29 - News from the RAS

News from the RAS

33:45 - How do galaxies collide in an expanding universe?

How do galaxies collide in an expanding universe?

37:07 - Pulsars Point to Gravitational Waves

Pulsars Point to Gravitational Waves
with Chiara Mingarelli, University of Birmingham

47:42 - How will SETI confirm a finding?

How will SETI confirm a finding?

51:53 - Does lightning happen elsewhere in the universe?

Does lightning happen elsewhere in the universe?

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