Perihelion – when a planet is closest to the sun in its orbit. Aphelion – when a planet is farthest from the sun in its orbit. Ellipse – the oval.
Solar System Geocentric = Earth (geo) is center of universe Heliocentric = Sun (helio) is center of universe Which is correct? Heliocentric… proved by.
BIG IDEA 3 : THE ROLE OF THEORIES, LAWS, HYPOTHESES, AND MODELS Description : The terms that describe examples of scientific knowledge, for example; "theory,"
The Solar System. What is the Solar System? The solar system includes our sun, and all the matter that orbits the sun. Planets, moons, dust and other.
Throughout most of their classical history, the Greeks were never unified politically or militarily. They were simply a group of independent city-states.
“If a nation expects to be ignorant and free, it expects what never was and never will be.” Thomas Jefferson “the most important bill in our whole code.
The Solar System. Chapter 29 The Solar System Section 29.1 “Models of the Solar System”
The Solar System Observing the Solar System The Sun The Inner Planets The Outer Planets Comets, Asteroids, and Meteors Is There Life Beyond Earth? Table.
Astronomy. History of Astronomy Geocentric: _________________________ _________________________ Theory that Earth was at the center of the solar system.
Formation of the Solar System Chapter 19 Section 3.
Inbox: Make sure you have the following vocabulary words in your sourcebook: 1.Heliocentric 2.Geocentric 3.Scientific method 4.Hypothesis 5.Natural law.
Astronomy
