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.

Last refreshed: July 28th, 2025 at 12:43 PM ⓘ

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Episodes

72. In transit - 20 May 2010

What a cheap astronomer does after 24 hours flying economy class.

May 20, 2010

71. A multiple payload - 13 May 2010

It's not all about NASA.

May 13, 2010

70. How to build a solar system - 6 May 2010

The secret is to bang the rocks together.

May 06, 2010

69. The shape of things - 29 April 2010

The shapes that things can become are surprisingly limited.

Apr 29, 2010

68. The solar cycle - 22 April 2010

The things you see when you look at a star up close.

Apr 22, 2010

67. A planetary defence system - 12 April 2010

Incoming!

Apr 12, 2010

66. The shape of space 2of2 The mathematics of De Sitter space-time - 8 April 2010

Einstein admitted he got it wrong - but, here in the 21st century, have we really got it right?

Apr 08, 2010

65. The shape of space 1of2 Dark energy or geometry? - 1 April 2010

A plausible alternative to the elephant in the room of cosmology.

Apr 01, 2010

64. What can the dark matter be? - 23 March 2010

Cheap Astronomy tries to shine a light on dark matter - but that doesn't seem to achieve much.

Mar 23, 2010

63. The interplanetary transport network - 18 March 2010

Want to tour the solar system on the cheap?

Mar 18, 2010

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

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

Mar 11, 2010

61. The Mars Science Laboratory - 4 March 2010

Cats beware.

Mar 04, 2010

60. Ceres - 27 February 2010

Dwarf planet or very big asteroid?

Feb 27, 2010

59. On being a black hole - 18 February 2010

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

Feb 18, 2010

58. Light 2of2 Wibbly-wobbly spacey-timey stuff - 11 February 2010

All this happens before your very eyes.

Feb 11, 2010

57. Light 1of2 Light and a bit of dark - 4 February 2010

We don't call it electromagnetic radiation for nothing.

Feb 04, 2010

56. The Dreamtime meteor crater - 29 January 2010

An interview with Duane Hamacher.

Jan 29, 2010

55. Spacecraft navigation - 21 January 2010

It's not rocket science - oh hang on, actually it is.

Jan 21, 2010

54.1 Blooper - 14 January 2010

A very brief out-take from next week's podcast - made me laugh.

Jan 14, 2010

54. How far is far? - 14 January 2010

My telescope might be cheap, but it can look back in time.

Jan 14, 2010

53. Stellar archaeology 2of2 Digging deeper - 7 January 2010

OK, so your spade keeps melting - but it's interesting.

Jan 07, 2010

52. Stellar archaeology 1of2 - 31 December 2009

A podcast for people who really dig astronomy.

Dec 31, 2009

51. Galaxy Formation - 18 December 2009

Astronomy podcast, special guest star. It makes sense.

Dec 18, 2009

50. Anomalies - 15 December 2009

Things that keep rocket scientists up at night.

Dec 15, 2009

49. Your stellar neighbourhood - 10 December 2009

Sometimes it's good just to take stock, see where we are and put things in context.

Dec 10, 2009

48. Critical density - 3 December 2009

Not too much, not too little - just critical.

Dec 03, 2009

47. Finishing the ISS - 26 November 2009

The science fiction movie 2010, released in 1984, had people flying to Jupiter... for the second time. Oh well, at least we'll have nearly finished the space station by then.

Nov 26, 2009

46. Go up and turn right - 22 November 2009

Planning a mission to Mars is a piece of cake on paper. Actually doing it - well, not so much.

Nov 22, 2009

45. The week after Carl Sagan Day - 16 November 2009

Billions and billions.

Nov 16, 2009

44. Greenhouse Earth 2of2 The restless planet - 12 November 2009

On Earth, the only thing constant is change.

Nov 12, 2009

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