ASTR 101 Study Guide - Midterm Guide: Bayer Designation, Lunar Eclipse, Winter Solstice
Document Summary
Earth, solar system, milky way, local group, virgo supercluster. The average distance between the earth and the sun. The distance that light travels in one year. Light travel time stuff back of the worksheet. Time it takes for light to travel from one place to another. Light from the sun takes 8. 5 minutes to get to us. The closer you are, the realer the time is. How far back in time we see in years = light travelled in years. If you look at the sun right now, it"s what the sun looked like. Because it takes time for the light image to travel to earth. Theoretic models helps us predict by connecting theories with. Fact something that"s objectively true (doesn"t have to be obvious) Hypothesis tentative explanation that"s subject to testing and. Both are models whose predictions are shown to be true because of repeated and varied testing. Theory explains why something happens, uses words.
