Astronomy 1011A/B Lecture Notes - Lecture 1: Astronomical Object, Electromagnetic Spectrum, Apparent Retrograde Motion
10 Sep 2015
School
Department
Course
Professor
Document Summary
Arrange the basic levels of structure in the universe in order of increasing size. Summarize the major cosmic events that prepared the way for life on earth. Express approximate relationships between the sizes and distances of astronomical objects using scale models. Describe how the major events leading from the big bang to the appearance of humans on earth are related in time. Explain why we see objects at great distances as they were in the distant past. Explain why we cannot observe the entire universe. Describe how earth rotates and moves through space. Describe how the average distances between galaxies are changing with time. Describe what can be seen in the sky with naked-eye observations. Explain how axis tilt affects the number of daylight hours and the path of the sun in the sky at a. Identify earth"s axis tilt as the primary reason for its seasons. particular location on earth.
