Astronomy Cast - Amateur Astronomy. Ep. 337: Photometry Podcast: Play in new window | Download (0.0KB) There’s a lot you can learn by just staring at an object, watching how it changes in brightness.
This is the technique of photometry, and it has helped astronomers discover variable stars, extrasolar planets, minor planets, supernovae, and much... Ep. 329: Telescope Making, Part 3: Space Telescopes Podcast: Play in new window | Download (0.0KB) As we’ve said before, all telescopes really want to be in space. In part 3 of our series on amateur telescope making, we bring you up to speed on the final frontier: amateurs building space telescopes. Astronomy Cast - Ep. 12: Where Do Baby Stars Come From? Astronomy Cast - Ep. 174: Mysteries of the Solar System, Part 1. Astronomy Cast.