Clicker Question: Earth’s average density is about the same as: A: water B: an iron meteorite C: balsa wood D: a chunk of volcanic rock.
The Sun The Sun in X-rays over several years The Sun is a star: a shining ball of gas powered by nuclear fusion. Luminosity of Sun = 4 x 10 33 erg/s =
Distribution of the ISM
Astro 101 Fall 2013 Lecture 7 T. Howard. The Sun The Sun in X-rays over several years The Sun is a star: a shining ball of gas powered by nuclear fusion.
Distribution of the ISM 3 February 2003 Astronomy G9001 - Spring 2003 Prof. Mordecai-Mark Mac Low.
