Details Title: Astronomy 191 MJK Description: Astronomy 191 Total Flash Cards: 9 Created: 09/29/2009 19:52:29		New Users: To study from this flashcard set, or to create your own your own study flash cards, REGISTER HERE. Existing Users: CLICK HERE. Additional Astronomy Flashcards
Cards in this set: Term Copernicus model Definition - Venus sometimes on far side therefore not always a crescent Term Phases of Venus Definition Phases can only be seen w/ telescope Phases related to apparent six of venus. Term Galileos Observation Definition Cracks and mountains on the Moon Significant because moon was not a perfect sphere Term Galileo Galilee Definition he was first person to point a telescope to the heavens Term Why (according to model of Compernicus) do Mercury and Venus always appear close to the Sun in the sky? Definition They are closer to the Sun than the Earth Term An objection given to the Solar System model of Copernicus was? Definition It predicted that the stars would move as a reflection of the Earths motion Term In what period did Copernicus publish his books describing a sun centered solar system? Definition 1500’s Term Copernicus vs Ptolemy More accurate predictions? Definition Both models have about the same accuracy Term Ptolemy’s geocentric model Definition - Earth can’t be moving because if it were objects such as birds, clouds, and the moon would be left behind - We would see Earth’s motions in the starts (Stellar Parallax)