The Ouroboros
Nicolaus copernicus
Satellite Communications
The Moon orbits the Earth and returns to the same right ascension every 27.32 days. (It moves eastward against the background of stars.) This is the sidereal.
Chapter S1 Celestial Timekeeping and Navigation. S1.1 Astronomical Time Periods How do we define the day, month, year, and planetary time periods? How.
Announcements Homework Set 1 is due today Homework set 2: Chapter 2 # 45, 46, 50, 52, 53 & 54 Use Exam Formula Sheet as you do the homework to familiarize.
Solar Rotation Lab 3. Differential Rotation The sun lacks a fixed rotation rate Since it is composed of a gaseous plasma, the rate of rotation is fastest.
Phases of the Moon
The Earth, Sun, and Moon. Diurnal Motion Each day, the Earth rotates once (west-to-east) on its axis. This causes us to face different directions and.
Eclipses. Lining Up At new moon the moon can block the sun. At full moon the earth can block the sun to the moon. This is called an eclipse. –Solar eclipse,
Testing Gravity with Lunar Laser Ranging DoE Site Visit James Battat August 21, 2006.
The Scientific Method. Activity: Kepler’s 1 st law Form a group of 3-4 people Pick up a rope Construct ellipses by walking around Questions: –What happens.
