Search for tag: "planet"

49:52 ASTR 1523 Lecture 11 ASTR 1523 Lecture 11	ASTR 1523 Lecture 11 gas planets mass cloud sun gravity iron stuff rock planet objects earth disk form material density ice planetesimals equator bit From Nathan Kaib 0 likes 12 plays 0
52:30 ASTR 1523 Lecture 6 ASTR 1523 Lecture 6	ASTR 1523 Lecture 6 light radiation wavelengths spectrum wavelength body star sun energy rays temperature reason stars surface dust universe photons eyes albedo planet From Nathan Kaib 0 likes 21 plays 0