Astr 218 - Study guides, Class notes & Summaries

'Fixed' Stars never move. - ️️F 0 hours of right ascension is marked off on the celestial equator. - ️️T A binary system could be determined to be binary even though we don't,see separate stars through powerful telescopes. - ️️T A black-body curve's most important revelation is - ️️a common, or surface, temperature A comet moves slowest - ️️away from the sun A G star is hotter than an M star. - ️️T A hot gas gives off absorption lines. - ️️F A kiloparsec is...