Uo astronomy 121 - Study guides, Class notes & Summaries

A rock suddenly moving without any external forces (earthquakes, someone throwing it, poltergeists, etc) would be a violation of which law? a. Kepler's 3rd law b. Kepler's 2nd law c. Newton's 2nd law d. Kepler's 1st law e. Newton's 1st law f. Newton's 3rd law - ️️e. Newton's 1st law According to chapter 3, if the Earth suddenly collapsed and shrank to half its size then... (multiple) a. The spin would decrease b. it would turn into a black hole c. The density would incre...