Solar System Study Guide

Front

The model in which the Earth is the center of the system of planets:

Back

geocentric model

Front

The model in which the sun is the center of the system of planets:

Back

heliocentric model

Front

Two factors that combine to keep planets in orbit:

Back

Gravity and inertia

Front

The sun produces energy by what means?

Back

Nuclear fusion.

Front

What did Galileo observe to prove his support of the heliocentric system?

Back

Galileo observed the phases of Venus and the moons of Jupiter to support the heliocentric system.

Front

The sun’s energy comes from what?

Back

Nuclear fusion

Front

Name the three layers of the sun’s atmosphere

Back

Photosphere, Chromosphere, Corona

Front

The corona sends out a stream of electrically charged particles called?

Back

solar wind

Front

Reddish loops of gas that link different parts of sunspot regions

Back

Prominences

Front

A solar feature that can increase solar wind, sometimes causing electrical power problems on Earth

Back

Coronal Mass Ejection (CME)