The Solar System

What do the four terrestrial planets have in common?

In which of these ways is Venus similar to Earth?

What is a stream of particles that extends outward from the sun’s corona called?

Meteors are meteoroids that entered our atmosphere and hit Earth without completely burning up.

Sunspots are areas of gas on the sun that are cooler than the gases around them.

Who first used a telescope to make discoveries that supported the heliocentric model?

Kepler used Brahe's observations to show that the orbits of planets are circular.

What are loops of gas on the sun that link different parts of sunspot regions together called?

In the sun's radiation zone, hot gases rise and move energy toward the sun's surface.

Meteoroids usually come from comets or asteroids.

What planet has a thick atmosphere composed mainly of hydrogen and helium?

What is the flash of light that is produced when a meteoroid passes through earth’s atmosphere?

A geocentric model of the planets is sun-centered.

Solar flares are eruptions that occur when gas on the surface of the sun becomes extremely hot.

Asteroids are rocky objects in orbit that are too small and numerous to be considered planets.

What conditions are part of the “Goldilocks conditions” needed for supporting life?

What is located between the orbits of Mars and Jupiter?

It's a loose collection of ice, dust, and small rocky particles with a long, narrow orbit.

The sun's energy comes from nuclear fission.