PS C14 S1 & 2

The sun produces energy by

In a heliocentric system

Which parts of the sun's atmosphere become visible during a total solar eclipse?

All objects are attracted to each other by the force of

Which of this chapter's scientists had a fake nose?

An astronomical unit , or 1 AU equals

The solar wind is a stream of electrically charged particles that extend outward from the sun's

Helio - comes from Helium of which the sun's main element

Galileo saw that much of the moon's surface is covered with round pits called

Nuclear fusion occurs when

In a heliocentric system, Earth revolves around

The strength of the force of gravity depends on

Which of the following scientists were imprisoned for his ideas?

What layer are you looking at when you look at an image of the sun?

The fact that each planet's orbit is an ellipse was discovered by

The heliocentric system gained support when Galileo observed that