1. Nicolaus CopernicusHeliocentric System 2. Nicolaus CopernicusNicolaus CopernicusPolish astronomerBirth: February 19, 1473 Death: May 24, 1543 Place of Birth: Torun, Poland…

TOPICS • • • • • • • • • Introduction to Satellite Communications Orbital Aspects of Earth Satellites Types of Satellites Satellites Communication Systems…

Slide 1 Chapter S1 Celestial Timekeeping and Navigation Slide 2 S1.1 Astronomical Time Periods How do we define the day, month, year, and planetary time periods? How do we…

Slide 1 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 yourself…

Slide 1 Solar Rotation Lab 3 Slide 2 Differential Rotation The sun lacks a fixed rotation rate Since it is composed of a gaseous plasma, the rate of rotation is fastest at…

Chapter 3 Eclipses and the Motion of the Moon The phases of the Moon were introduced in Section 1, but without discussion of eclipses of the Sun and Moon. 1. Because of the…

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 see different stars.…

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, lunar eclipse Orbital…

Testing Gravity with Lunar Laser Ranging DoE Site Visit James Battat August 21, 2006 Testing Gravity with Lunar Laser Ranging New Mexico, near White Sands. Note SDSS 3.5…

Yo Yo Yo Phases of the Moon, Gee Phases of the Moon Earth Moon System The average distance from the Moon to the Earth is 384,404 km. Closest approach is Perigee 356,334 km.…