Astronomers have been cataloging star positions for thousands of years, from the first calculations made by Hipparchus, to the more recent star catalogs made by the spacecraft named after him. This is astrometry; another way to find our place in the Universe. Click here to download the episode. Or subscribe to: astronomycast.com/podcast.xml with your podcatching … Continue reading "Astronomy Cast Ep. 182: Astrometry"