1. Our Solar System 2. Brief History The Earth is thecenter of theuniverse and thesun and moonmoved in perfectcircles around theearth 3. Ptolemy An astronomer livingin…

1.Chapter 21: A Family of Planets2. Section 1: Our SolarSystemSolar system includes the sun, planets and many smaller objects. 3. Measuringinterplanetary distances• Astronomical…

Slide 1 Slide 2 Formation of the Solar System Chapter 27 page 684- Slide 3 The solar system consists of the sun, the planets and all of the other bodies that revolve around…

Slide 1 Slide 2 186,000 miles a second 300,000,000 meters per second 700 million miles an hour. For scale, the distance from the Earth to the Moon is about 239,000 miles.…

The Solar System 6th Grade Science 2011 The Solar System What do you know about the solar system? What is a planet? The definition of planet set in 2006 by the International…

Solar System The Solar System : Planets http://www.cs.wright.edu/~tkprasad Prasad 1 U3_SolarSystem http://www.ied.edu.hk/apfslt/v6_issue2/liusc/liusc3.htm 1 Planet Temperatures…

Solar System The Solar System : Planets http://www.cs.wright.edu/~tkprasad Prasad 1 U3_SolarSystem http://www.ied.edu.hk/apfslt/v6_issue2/liusc/liusc3.htm 1 Planet Temperatures…

Slide 1Part 3: A Trip through the Solar System 1 Slide 2 Measuring Distances Astronomical Units or AU:  One astronomical unit is equal to the mean (average) distance of…

What is a Planet? What is a Star? Originally: “planet” = “wanderer” (Greek root) refers to apparent motion of planets among stars Earth-based; no astrophysical utility…