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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.

Astronomy Cast - Amateur Astronomy

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.