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Cheap Astronomy Podcasts

Cheap Astronomy offers you 10 minute weekly podcasts on a wide range of astronomy, astrophysics, cosmology, space science and space exploration topics. At Cheap Astronomy you're only as cheap as the telescope you're looking through.

Popular episodes

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The best episodes ranked using user listens.

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13. A day on the ISS - 30 April 2009

Our future in space means adjusting to daily life in microgravity - so... just how hard is that?

30 Apr 2009

Rank #1

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4. Rocks in his head - 26 February 2009

Geology might seem like a completely different science to astronomy, but not really.

26 Feb 2009

Rank #2

Similar Podcasts

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14. What's in a day? - 09 May 2009

Cheap Astronomy explores this puzzling conundrum without ever once using the word sidereal.

9 May 2009

Rank #3

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260. Dear Cheap Astronomy - Episode 45 - 28 April 2018

A purpose-built podcast.

28 Apr 2018

Rank #4

Most Popular Podcasts

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3. How the sky works - 19 February 2009

A podcast for when you are lying in the gutter, looking up at the stars.

19 Feb 2009

Rank #5

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99. Black holes 2of2 - The supermassive ones - 16 December 2010

Lots of galaxies have SMBHs at their centres. Coincidence?

16 Dec 2010

Rank #6

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261. Dear Cheap Astronomy - Episode 46 - 30 May 2018

Life and death and space.

29 May 2018

Rank #7

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231. What are exoplanets made of? 26 August 2016

Other worldly.

26 Aug 2016

Rank #8

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59. On being a black hole - 18 February 2010

Now you can't see it - now you don't.

18 Feb 2010

Rank #9

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279. Dear Cheap Astronomy - Episode 59 - 15 November 2019

Mars - very dusty and crap acoustics.

15 Nov 2019

Rank #10

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233. Dear Cheap Astronomy - Episode 32 - 21 Oct 2016

Big questions with cheap answers.

21 Oct 2016

Rank #11

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96. The origin of the oceans - 25 November 2010

Surfs up.

25 Nov 2010

Rank #12

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263. Dear Cheap Astronomy - Episode 47 - 15 June 2018

Ooh mama, I'm on fire.

24 Jul 2018

Rank #13

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232. SISS Episode 20, Project Sidekick - 27 September 2016

Ground control - in your face.

27 Sep 2016

Rank #14

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50. Anomalies - 15 December 2009

Things that keep rocket scientists up at night.

15 Dec 2009

Rank #15

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230. Dear Cheap Astronomy - Episode 31 - 2 Aug 2016

We live on a planet.

2 Aug 2016

Rank #16

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230.1. Steve's PhD Episode 16 - 10 August 2016

The only thing worse than getting feedback...

10 Aug 2016

Rank #17

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62. The stay-at-homes guide to the galaxy - 11 March 2010

Tour the galaxy at 220 kilometres a second from your own backyard.

11 Mar 2010

Rank #18

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103. Alien biology 1of2 - The case for water - 27 January 2011

Life? Just add water.

27 Jan 2011

Rank #19

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88. More Australian archaeoastronomy - 21 September 2010

A story about a couple of crows and a supernova impostor.

21 Sep 2010

Rank #20