Solar System Test Review

This is the property of an ellipse that describes how stretched out it is.

This is the brightest type of asteroid

How many stars are in our galaxy?

____________ might be used to describe distances between galaxies

A small rock in space is called:

This comet tail is caused from sublimation of ice and appears blue

A small rock from space on Earth's crust is called:

The __________ ____________ is a reservoir for LONG PERIOD comets

This law states that planets orbit the sun in elliptical orbits that are concentric.

When earth passes through the trail of an orbiting comet, we experience a 

The gradual accumulation of mass due to gravity is called

Our solar system is clear of gas and debris because of _____________.

Which of these planets would be located about 10 AU from the sun?

Our moon is most similar to which planet?

Scientists would use ___________ to describe distances between planets.

This law states that the square of the period is equal to the cube of the distance.

Which planetary feature does the moon lack that, if present, would change its appearance?

How old is our solar system?

The ___________ ______________ is a reservoir for SHORT PERIOD comets

This law states that a line joining a planet and the sun sweeps out equal areas for equal time.

A blue planet like Uranus or Neptune must have an atmosphere containing this compound.

Large, Gasseous planets are refferred to as ______________ Planets

How big is our galaxy?

The idea that planets formed from the same cloud of gas and dust that the sun formed from is: 

The asteroid belt is between these two planets.

Gravity pulls dense materials to the center of planets, which is why Earth's core is _________.

Solar Nebular theory and Condensation Theory combined explain the origin of the....

a small rock in the atmosphere is called:

The most common types of asteroids are carbon type, or 

Which point on this image represents our location in the milky way?

The center of our galaxy can be described as

a large rock in space is called:

Planets orbit the sun in a _________________ direction.

What objects do we look at to determine the age of our solar system?

What property causes Terrestrial planets to be closer to the sun than Jovian planets?