Talk:Orbiting Astronomical Observatory

You don't have to be a star, baby
Wasn't it proposed OAO be used to study or count asteroids? TREKphiler  hit me ♠  04:36, 24 October 2009 (UTC)

The bottom panel with Space observatories seems to be missing a reference to TD-1a, which produced the first catalogue of the UV brightness of stars. — Preceding unsigned comment added by 84.67.3.210 (talk) 15:07, 8 September 2020 (UTC)