All Episodes
Cheap Astronomy Podcasts — 435 episodes
382.1 The (un)likelihood of meeting aliens - 31 August 2026
382. Dear Cheap Astronomy - Episode 151 - 24 August 2026
381.1 The first stars - 17 August 2026
381. Dear Cheap Astronomy - Episode 150 - 10 August 2026
380.1 IE18 Turning night into day - 3 August 2026
380. Dear Cheap Astronomy - Episode 149 - 27 July 2026
379. Dear Cheap Astronomy - Episode 148 - 20 July 2026
378.1 Goldilocks Zones and the Cosmic Shoreline - 13 July 2026
378. Dear Cheap Astronomy - Episode 147 - 6 July 2026
377.1 Why does the Moon rust - 29 June 2026
377. Dear Cheap Astronomy - Episode 146 - 22 June 2026
376.1 How long will Saturn's rings last - 15 June 2026
376. Dear Cheap Astronomy - Episode 145 - 8 June 2026
375.1 Fossil fuels and the Fermi Paradox - 1 June 2026
375. Dear Cheap Astronomy - Episode 144 - 25 May 2026
374.1 What is mineable on the Moon - 18 May 2026
374. Dear Cheap Astronomy - Episode 143 - 11 May 2026
373.1 How we see our past - 4 May 2026
373. Dear Cheap Astronomy - Episode 142 - 27 April 2026
372.2 Artemis 2, Part 2of2 - 20 April 2026
372.1 Artemis 2, Part 1of2 - 13 April 2026
372. Dear Cheap Astronomy - Episode 141 - 6 April 2026
371.2 Technosignatures - 30 March 2026
371.1 Artemis revision- 23 March 2026
371. Dear Cheap Astronomy - Episode 140 - 16 March 2026
370.2 Recycling rockets - 9 March 2026
370.1 Rotating Universe - 2 March 2026
370. Dear Cheap Astronomy - Episode 139 - 23 February 2026
369.2 IE_Future Orbits - 16 February 2026
369.1 Rogue planets - 9 February 2026
369. Dear Cheap Astronomy - Episode 138 - 2 February 2026
368.2 Quantum computing - 26 January 2026
368.1 Quantum teleportation - 19 January 2026
368. Dear Cheap Astronomy - Episode 137 - 12 January 2026
367.2 3I/ATLAS - 5 January 2026
367.1 Electrostatic lunar dust - 29 December 2025
367. Dear Cheap Astronomy - Episode 136 - 22 December 2025
366.2 Spooky action - 15 December 2025
366.1 Unrecognisable life - 8 December 2025
366. Dear Cheap Astronomy - Episode 135 - 1 December 2025
365. Dear Cheap Astronomy - Episode 134 - 10 November 2025
364. Dear Cheap Astronomy - Episode 133 - 20 October 2025
363. Dear Cheap Astronomy - Episode 132 - 29 September 2025
362. Dear Cheap Astronomy - Episode 131 - 8 September 2025
361. Dear Cheap Astronomy - Episode 130 - 18 Aug 2025
360. Dear Cheap Astronomy - Episode 129 - 28 July 2025
359. Implausible Engineering - Episode 07 - 21 July 2025
358. Dear Cheap Astronomy - Episode 128 - 23 June 2025
357. Dear Cheap Astronomy - Episode 127 - 26 May 2025
356. Implausible Engineering - Episode 06 - 28 April 2025
355. Dear Cheap Astronomy - Episode 126 - 21 April 2025
354. Dear Cheap Astronomy - Episode 125 - 24 March 2025
353. Dear Cheap Astronomy - Episode 124 - 3 March 2025
352. Dear Cheap Astronomy - Episode 123 - 10 February 2025
351. Dear Cheap Astronomy - Episode 122 - 13 January 2025
350. Dear Cheap Astronomy - Episode 121 - 16 December 2024
349. Dear Cheap Astronomy - Episode 120 - 18 November 2024
348. Dear Cheap Astronomy - Episode 119 - 21 October 2024
347. Implausible Engineering - Episode 05 - 14 October 2024
346. Dear Cheap Astronomy - Episode 118 - 23 September 2024
345. Dear Cheap Astronomy - Episode 117 - 26 August 2024
344. Implausible Engineering - Episode 04 - 29 July 2024
343. Dear Cheap Astronomy - Episode 116 - 22 July 2024
342. Dear Cheap Astronomy - Episode 115 - 24 June 2024
341. Dear Cheap Astronomy - Episode 114 - 27 May 2024
340. Implausible Engineering - Episode 03 - 29 April 2024
339. Dear Cheap Astronomy - Episode 113 - 22 April 2024
338. Dear Cheap Astronomy - Episode 112 - 25 March 2024
337. Implausible Engineering - Episode 02 - 18 March 2024
336. Dear Cheap Astronomy - Episode 111 - 19 February 2024
335. Dear Cheap Astronomy - Episode 110 - 22 January 2024
334. Dear Cheap Astronomy - Episode 109 - 25 December 2023
333. Dear Cheap Astronomy - Episode 108 - 27 November 2023
332. Dear Cheap Astronomy - Episode 107 - 23 October 2023
331. Dear Cheap Astronomy - Episode 106 - 25 September 2023
330. Fantastic Physics Formulas - Episode 10 - 4 September 2023
329. Dear Cheap Astronomy - Episode 105 - 28 August 2023
328. Implausible Engineering - Episode 01 - 24 July 2023
327. Dear Cheap Astronomy - Episode 104 - 3 July 2023
326. Dear Cheap Astronomy - Episode 103 - 12 June 2023
325. Dear Cheap Astronomy - Episode 102 - 15 May 2023
324. Dear Cheap Astronomy - Episode 101 - 17 April 2023
323. Fantastic Physics Formulas - Episode 9 - 20 March 2023
322. Dear Cheap Astronomy - Episode 100 - 6 March 2023
321. Dear Cheap Astronomy - Episode 99 - 20 February 2023
320. Dear Cheap Astronomy - Episode 98 - 23 January 2023
319.1 Life in Spacetime, Episode 3 - 16 January 2023
319. Dear Cheap Astronomy - Episode 97 - 21 November 2022
318. Dear Cheap Astronomy - Episode 96 - 17 October 2022
317. Dear Cheap Astronomy - Episode 95 - 12 September 2022
316. Dear Cheap Astronomy - Episode 94 - 22 August 2022
315. Dear Cheap Astronomy - Episode 93 - 18 July 2022
314. Dear Cheap Astronomy - Episode 92 - 6 June 2022
313. Dear Cheap Astronomy - Episode 91 - 16 May 2022
312.1. Snippet_Implausible engineering - Episode 10 - 25 April 2022
312. Dear Cheap Astronomy - Episode 90 - 11 April 2022
311. Dear Cheap Astronomy - Episode 89 - 21 March 2022
310.2 Snippet_Life in spacetime 2 - 14 March 2022
310.1. The lift equation - 28 February 2022
310. Dear Cheap Astronomy - Episode 88 - 14 February 2022
309. Dear Cheap Astronomy - Episode 87 - 24 January 2022
308.1. Snippet_Implausible engineering - Episode 9 - 17 January 2022
308. Dear Cheap Astronomy - Episode 86 - 3 January 2022
307. Dear Cheap Astronomy - Episode 85 - 27 December 2021
306.1 Snippet_Life in spacetime 1 - 20 December 2021
306. Dear Cheap Astronomy - Episode 84 - 22 November 2021
305. Dear Cheap Astronomy - Episode 83 - 1 November 2021
304. Dear Cheap Astronomy - Episode 82 - 11 October 2021
303. Dear Cheap Astronomy - Episode 81 - 13 September 2021
302. Dear Cheap Astronomy - Episode 80 - 15 August 2021
301. Dear Cheap Astronomy - Episode 79 - 18 July 2021
300. Fantastic Physics Formulas - Episode 8 - 27 June 2021
299. Dear Cheap Astronomy - Episode 78 - 4 June 2021
298. Dear Cheap Astronomy - Episode 77 - 11 May 2021
297. Dear Cheap Astronomy - Episode 76 - 17 April 2021
296. Dear Cheap Astronomy - Episode 75 - 8 March 2021
295. Dear Cheap Astronomy - Episode 74 - 12 February 2021
294.1. Steve's PhD Episode 22 - 11 Jan 2021
294. Dear Cheap Astronomy - Episode 73 - 3 January 2021
293. Dear Cheap Astronomy - Episode 72 - 19 November 2020
292. Dear Cheap Astronomy - Episode 71 - 17 November 2020
291. Dear Cheap Astronomy - Episode 70 - 24 October 2020
290. Dear Cheap Astronomy - Episode 69 - 22 September 2020
289. Dear Cheap Astronomy - Episode 68 - 29 August 2020
288. Dear Cheap Astronomy - Episode 67 - 12 July 2020
287. Dear Cheap Astronomy - Episode 66 - 10 June 2020
286. Fantastic Physics Formulas - Episode 7 - 23 April 2020
285. Dear Cheap Astronomy - Episode 65 - 30 March 2020
284.1. Steve's PhD Episode 21 - 14 March 2020
284. Dear Cheap Astronomy - Episode 64 - 20 February 2020
283. Dear Cheap Astronomy - Episode 63 - 12 January 2020
282. Dear Cheap Astronomy - Episode 62 - 30 December 2019
281. Dear Cheap Astronomy - Episode 61 - 27 December 2019
280. Dear Cheap Astronomy - Episode 60 - 19 December 2019
279. Dear Cheap Astronomy - Episode 59 - 15 November 2019
278. Dear Cheap Astronomy - Episode 58 - 6 October 2019
277. Fantastic Physics Formulas - Episode 6 - 28 September 2019
276. Dear Cheap Astronomy - Episode 57 - 27 August 2019
275. Dear Cheap Astronomy - Episode 56 - 26 July 2019
274. Dear Cheap Astronomy - Episode 55 - 16 June 2019
273. Dear Cheap Astronomy - Episode 54 - 7 May 2019
272. Fantastic Physics Formulas - Episode 5 - 5 April 2019
271. Dear Cheap Astronomy - Episode 53 - 12 March 2019
270.1. Steve's PhD Episode 20 - 8 February 2019
270. Dear Cheap Astronomy - Episode 52 - 31 January 2019
269. Dear Cheap Astronomy - Episode 51 - 31 December 2018
268. Fantastic Physics Formulas - Episode 4 - 6 December 2018
267. Dear Cheap Astronomy - Episode 50 - 4 November 2018
266. Dear Cheap Astronomy - Episode 49 (Space Junk Extra Special) - 25 September 2018
265. Dear Cheap Astronomy - Episode 48 (Space Junk Special) - 24 July 2018
264. Cheap Astronomy - Live at CERN - 11 October 2018
263. Dear Cheap Astronomy - Episode 47 - 15 June 2018
262. Fantastic Physics Formulas - Episode 3 - 1 September 2018
260.1. Steve's PhD Episode 19 - 22 May 2018
261. Dear Cheap Astronomy - Episode 46 - 30 May 2018
260. Dear Cheap Astronomy - Episode 45 - 28 April 2018
259. SISS Episode 26, Exposed - 4 April 2018
258. Dear Cheap Astronomy - Episode 44 - 23 February 2018
256. Dear Cheap Astronomy - Episode 43 - 22 January 2018
257. CubeSats - 14 January 2018
255. Fantastic Physics Formulas - Episode 2 - 6 January 2018
254. Dear Cheap Astronomy - Episode 42 - 29 December 2017
253. Escaping LEO - 19 November 2017
252. Dear Cheap Astronomy - Episode 41 - 3 November 2017
251. Fantastic Physics Formulas - Episode 1 - 10 October 2017
250. Dear Cheap Astronomy - Episode 40 - 24 September 2017
249. SISS Episode 25, Ham radio - 8 September 2017
248. Dear Cheap Astronomy - Episode 39 - 15 August 2017
247.1. Steve's PhD Episode 18 - 22 July 2017
247. Dear Cheap Astronomy - Episode 38 - 14 July 2017
246. Orbital mechanics - 6 July 2017
245. SISS Episode 24, DNA in space - 4 June 2017
244. Dear Cheap Astronomy - Episode 37 - 19 May 2017
243. SISS Episode 23, Heat pipes - 25 April 2017
242. Dear Cheap Astronomy - Episode 36 - 9 April 2017
241. Cheap Trek - Episode 06 - 24 March 2017
240. SISS Episode 22, The people factor - 20 February 2017
239. Dear Cheap Astronomy - Episode 35 - 12 February 2017
238. Cassini's legacy - 4 February 2017
237.1. Steve's PhD Episode 17 - 27 January 2017
237. Dear Cheap Astronomy - Episode 34 - 31 December 2016
236. SISS Episode 21, The outside - 16 December 2016
235. Dear Cheap Astronomy - Episode 33 - 8 December 2016
234. Cheap Astronomy - Live in Cape Canaveral! - 30 November 2016
233. Dear Cheap Astronomy - Episode 32 - 21 Oct 2016
232. SISS Episode 20, Project Sidekick - 27 September 2016
231. What are exoplanets made of? 26 August 2016
230.1. Steve's PhD Episode 16 - 10 August 2016
230. Dear Cheap Astronomy - Episode 31 - 2 Aug 2016
229. SISS Episode 19, Synthetic muscles - 25 July 2016
228. Never assume anything, or everything - 23 June 2016
227. Dear Cheap Astronomy - Episode 30 - 15 June 2016
226. SISS Episode 18, Space fungus - 7 June 2016
225. Cheap Trek - Episode 05 - 14 May 2016
224. Dear Cheap Astronomy - Episode 29 - 28 April 2016
223.1. Steve's PhD Episode 15 - 20 April 2016
223. Gravitational waves - 12 April 2016
222. SISS Episode 17, Organs-on-a-chip - 4 April 2016
221. Dear Cheap Astronomy - Episode 28 - 11 March 2016
220. SISS Episode 16, Gravity matters - 8 February 2016
219. Cheap Trek - Episode 04 - 23 January 2016
218. Akatsuki revisited - 30 December 2015
217.1. Steve's PhD Episode 14 - 14 December 2015
217. Dear Cheap Astronomy - Episode 27 - 20 November 2015
216. SISS Episode 15, Space stations - 12 November 2015
215. Cheap Trek - Episode 03 - 20 October 2015
214. Dear Cheap Astronomy - Episode 26 - 12 October 2015
213. SISS Episode 14, SPHERES II - 26 September 2015
212. Dear Cheap Astronomy - Episode 25 - 18 September 2015
211.1. Steve's PhD Episode 13 - 2 September 2015
211. Pluto day - 24 July 2015
210. Dear Cheap Astronomy - Episode 24 - 9 August 2015
209. Cheap Trek - Episode 02 - 25 August 2015
208. Dear Cheap Astronomy - Episode 23 - 16 July 2015
207. SISS Episode 13, Surfaces - 6 June 2015
206. Dear Cheap Astronomy - Episode 22 - 21 May 2015
205. The centre of a black hole - 1 May 2015
204. Dear Cheap Astronomy - Episode 21 - 19 April 2015
203.1. Steve's PhD Episode 12 - 11 April 2015
203. SISS Episode 12, Ants in space - 26 March 2015
202. Cheap Trek - Episode 01 - 16 February 2015
201. SISS Episode 11, Space gardening - 28 January 2015
200. Microgravity - 21 January 2015
199. Dear Cheap Astronomy - Episode 20 - 24 December 2014
198. SISS Episode 10, Fish in space - 10 December 2014
197. Dear Cheap Astronomy - Episode 019 - 19 November 2014
196.1. Steve's PhD Episode 11 - 22 October 2014
196. SISS Episode 9, Cells and tissues - 8 October 2014
195. A guide to doing astronomy on the cheap - 24 September 2014
194. Dear Cheap Astronomy - Episode 018 - 27 August 2014
193. SISS Episode 8, Mundane stuff - 30 July 2014
192. Dear Cheap Astronomy - Episode 017 - 25 June 2014
191.1. Steve's PhD Episode 10 - 11 June 2014
191. Dear Cheap Astronomy - Episode 016 - 28 May 2014
190. Cheap Astronomy - Live in north-east USA! - 23 April 2014
189. SISS Episode 7, Robots - 2 April 2014
188. Asteroid deflection: 101 - 26 March 2014
187. Dear Cheap Astronomy - Episode 015 - 19 March 2014
186. SISS Episode 6, Lasers - 12 March 2014
185. Asteroid mining 2of2 - 5 March 2014
184. Asteroid mining 1of2 - 26 February 2014
183.1 Steve's PhD Episode 9 - 19 February 2014
183. Dear Cheap Astronomy - Episode 014 - 12 February 2014
182. SISS Episode 5, Rational drugs - 29 January 2014
181. Fun with photons - 22 January 2014
180. Science education - the interview - 8 Jan 2014
179.1 Steve's PhD Episode 8 - 18 December 2013
179. Dear Cheap Astronomy - Episode 013 - 4 December 2013
178. SISS Episode 4, Materials - 20 November 2013
177. Dear Cheap Astronomy - Episode 012 - 23 October 2013
176. 3D printing in space - 25 September 2013
175.1 Steve's PhD Episode 7 - 28 August 2013
175. Dear Cheap Astronomy - Episode 011 - 17 July 2013
174. China and India - 10 July 2013
173. Habitable zones - 19 June 2013
172.1 Parsec Award submission - 12 June 2013
172. Dear Cheap Astronomy - Episode 010 - 5 June 2013
171. Carnival of space #302 - 22 May 2013
170. Some observations on speed and energy - 15 May 2013
169.1 Steve's PhD Episode 6 - 8 May 2013
169. Dear Cheap Astronomy - Episode 009 - 1 May 2013
168. SISS Episode 3, Overview - 25 April 2013
167. The increments - 11 April 2013
166. Cheap Astronomy - Live at Mt. Stromlo! - 3 April 2013
165. Dear Cheap Astronomy - Episode 008 - 21 March 2013
164. SISS Episode 2, It's very cold in space - 7 March 2013
163.1 Steve's PhD Episode 5 - 21 February 2013
163. A mission to Mars - 14 February 2013
162. Dear Cheap Astronomy - Episode 007 - 7 February 2013
161. Science on Top... again - 24 January 2013
160. Launch! Astronomy Without A Telescope (the e-book) - 17 January 2013
158. Dear Cheap Astronomy - Episode 006 - 13 December 2012
157. Cheap Astronomy - Live in Dublin! - 29 Nov 2012
131. Dear Cheap Astronomy - Episode 001 - 22 November 2012
156. How to colonize the galaxy - 8 November 2012
155.1 Steve's PhD Episode 4 - 1 November 2012
155. Dear Cheap Astronomy - Episode 005 - 25 October 2012
154. Fixing Hubble - 18 October 2012
153. Panspermia or not - 4 October 2012
152. The quantum vacuum... or not - 20 September 2012
151. The Universe's phone number - 6 September 2012
150. Curiosity satisfied - 23 August 2012
149. Dear Cheap Astronomy - Episode 004 - 9 August 2012
148.1 Steve's PhD Episode 3 - 26 July 2012
148. Journal Club - 19 July 2012
147. New Horizons - 5 July 2012
146. AWAT - The unlikeliness of being - 28 June 2012
145. Cheap Astronomy - Live in Hawaii! - 14 June 2012
144. Dear Cheap Astronomy - Episode 003 - 7 June 2012
143. Transit of Venus - 31 May 2012
142. Science on Top - 24 May 2012
141. The age of the universe - 26 April 2012
140. AWAT - Alien mining - 19 April 2012
139.1 Steve's PhD Episode 2 - 6 April 2012
139. Dear Cheap Astronomy - Episode 002 - 29 March 2012
138. Corrections - 22 March 2012
137. The first three minutes revisited - 23 February 2012
136. Big stars - 26 January 2012
135. Carnival of space #230 - 3 January 2012
134. AWAT - Bubblology - 1 January 2012
133. Daze of Astronomy 2of2 - 8 December 2011
132. Daze of Astronomy 1of2 - 1 December 2011
131.1 Steve's PhD Episode 1 - 24 November 2011
130. Light speed - 17 November 2011
129. AWAT - FTL neutrinos (or not) - 10 November 2011
128. Questions from Class 2R - 27 October 2011
127. Why the LHC won't kill you - 13 October 2011
126. Don Quijote - 6 October 2011
125. Carnival of space #215 - 22 September 2011
124. Astronomy outreach - 8 September 2011
123. Fobos-Grunt - 3 September 2011
122. AWAT - Small bangs - 18 August 2011
121. Equivalence - 11 August 2011
120. More awesome Space Shuttle missions - 14 July 2011
119. The dark side - 30 June 2011
118. Wavelengths 2of2 The long and the short of it - 27 June 2011
117. Wavelengths 1of2 More than meets the eye - 23 June 2011
116. AWAT - Dark statistics - 9 June 2011
115. Spot that planet - 2 June 2011
114. The Moon does not spin on its axis - 19 May 2011
113. Private space - 5 May 2011
112. Our inferred universe - 28 April 2011
111. AWAT - Brown dwarfs are magnetic too - 21 April 2011
110. Testing Einstein - 7 April 2011
109. Arms around the galaxy - 17 March 2011
108. Carnival of space #187 - 10 March 2011
107. Situation cloudy - 3 March 2011
106. Forbidden planets - 24 February 2011
105. AWAT - Time freeze - 17 February 2011
104. Alien biology 2of2 - The case for carbon - 3 February 2011
103. Alien biology 1of2 - The case for water - 27 January 2011
102. Superluminal motion - 20 January 2011
101. Untangling the entanglement - 8 January 2011
100. Episode 100 - 30 December 2010
99. Black holes 2of2 - The supermassive ones - 16 December 2010
98. Black holes 1of2 - Everyones favorite physics problem - 9 December 2010
97. 21st century thinking - 2 December 2010
96. The origin of the oceans - 25 November 2010
95. AWAT - Warp drive on paper - 18 November 2010
94. Powering deep space missions - 8 November 2010
93. Jets - 4 November 2010
92. Dishes - 28 October 2010
91. Getting it together - 14 October 2010
90. Space elevators - 7 October 2010
89. AWAT - Bringing the planetology home - 30 September 2010
88. More Australian archaeoastronomy - 21 September 2010
87. Wurdi Youang - 16 September 2010
86. Supernovae 2of2 - Nucleosynthesis - 9 September 2010
85. Supernovae 1of2 - The types - 2 September 2010
84. AWAT - More than meets the eye - 26 August 2010
83. The robots are coming - 19 August 2010
82. Astronomy for non-human life forms - 10 August 2010
81. Its all downhill from here - 5 August 2010
80. The Venera missions - 29 July 2010
79. AWAT - Much ado about nothing - 8 July 2010
78. My favorite Space Shuttle missions - 27 June 2010
77. Off-world weather report - 24 June 2010
76. The other Lagrange points - 17 June 2010
75. Hyabusa - 10 June 2010
74.1 Two minute promo - 28 May 2010
74. Watch this space - 28 May 2010
73. Cheap Astronomy - Live in Andalucia! - 27 May 2010
72. In transit - 20 May 2010
71. A multiple payload - 13 May 2010
70. How to build a solar system - 6 May 2010
69. The shape of things - 29 April 2010
68. The solar cycle - 22 April 2010
67. A planetary defence system - 12 April 2010
66. The shape of space 2of2 The mathematics of De Sitter space-time - 8 April 2010
65. The shape of space 1of2 Dark energy or geometry? - 1 April 2010
64. What can the dark matter be? - 23 March 2010
63. The interplanetary transport network - 18 March 2010
62. The stay-at-homes guide to the galaxy - 11 March 2010
61. The Mars Science Laboratory - 4 March 2010
60. Ceres - 27 February 2010
59. On being a black hole - 18 February 2010
58. Light 2of2 Wibbly-wobbly spacey-timey stuff - 11 February 2010
57. Light 1of2 Light and a bit of dark - 4 February 2010
56. The Dreamtime meteor crater - 29 January 2010
55. Spacecraft navigation - 21 January 2010
54.1 Blooper - 14 January 2010
54. How far is far? - 14 January 2010
53. Stellar archaeology 2of2 Digging deeper - 7 January 2010
52. Stellar archaeology 1of2 - 31 December 2009
51. Galaxy Formation - 18 December 2009
50. Anomalies - 15 December 2009
49. Your stellar neighbourhood - 10 December 2009
48. Critical density - 3 December 2009
47. Finishing the ISS - 26 November 2009
46. Go up and turn right - 22 November 2009
45. The week after Carl Sagan Day - 16 November 2009
44. Greenhouse Earth 2of2 The restless planet - 12 November 2009
43. Greenhouse Earth 1of2 The inconstant sun - 5 November 2009
42. The Deep Space Network - 29 October 2009
41. The TDRS system - 25 October 2009
40. Galileoscope - 15 October 2009
39. The outer limits - 8 October 2009
38. Kepler's laws of planetary motion - 1 October 2009
37. Old balding astronomers feel good knowing mnemonics - 24 September 2009
36. Ed White's glove - 19 September 2009
35. The celestial sphere - 17 September 2009
34. Project Constellation 2of2 The manned spacecraft - 10 September 2009
33. Project Constellation 1of2 The launch systems - 3 September 2009
32. The ups and downs of space advocacy - 27 August 2009
31. Analemmas and the equation of time - 20 August 2009
30. STS 127 - Just another Space Shuttle mission - 13 August 2009
29. No place like home - 06 August 2009
28. A sidewalk astronomer - 30 July 2009
27. The Southern Cross - 25 July 2009
26. Apollo 11 3of3 Getting back again - 24 July 2009
25. Apollo 11 2of3 The landing - 20 July 2009
24. Apollo 11 1of3 Getting there - 16 July 2009
23. Making things shorter and slower - 09 July 2009
22. Cosmos 1 - 02 July 2009
21. A hard rains a-gonna fall - 25 June 2009
20. Webb, James Webb - 18 June 2009
19. GPS - 11 June 2009
18. Why we need neutrino telescopes - 03 June 2009
17. Cheap Astronomy - Live in LA! - 28 May 2009
16. Big Bang 2of2 When the dust settled - 21 May 2009
15. Big Bang 1of2 One crowded second - 14 May 2009
14. What's in a day? - 09 May 2009
13. A day on the ISS - 30 April 2009
12. Moonlight - 23 April 2009
11. Sunshine - 16 April 2009
10. Your first cheap telescope - 11 April 2009
9. Chicks in space - 03 April 2009
8. The Space Shuttle Enterprise - 26 March 2009
7. Love in the continuum of general relativity - 19 March 2009
6. Indigenous Australian astronomy - 15 March 2009
5. Talking to the aliens - 10 March 2009
4. Rocks in his head - 26 February 2009
3. How the sky works - 19 February 2009
2. Gravity wells and how to get out of them - 12 February 2009
1. Space race - 3 February 2009