Science Review IIIB_Final

Is a loose collection of ice, dust and rocky particles.

• Meteor

• Planet

• Comet

• Star

The comet´s structure is made up by the following parts:

• Nucleus

• Coma

• Tail

• Gas

Comets spend most of their lives far away from the Sun in the distant reaches of the solar system. They primarily originate from two regions:

• Kuiper belt

• Oort Cloud

• Out of the galaxy

Comes to Earth sight every 75 years. Last time it was here was on 1986.

• Encke's Comet

• Comet Hyakutake

• Halley's Comet

Rocky objects revolving around the sun, they are too small and numerous to be considered a planet

• Asteroids

• Meteorites

• Moons

Are made up of rocks and metals.

• Comets

• Asteroids

• Galaxies

States that some sort of large objects impacted onto the Earth, and that the moon formed due to this large impact.

• Giant Impactor Theory

• Geocentric Model

• Heliocentric Model

• Big Bang Theory

This model states that planet Earth is at the center of the solar system and all planets including the sun revolve around it.

• Heliocentric Model

• Geocentric Model

• Giant Impact Model

States that the sun is at the center of the solar system and all of the planets including Earth, revolve around it.

• Geocentric Model

• Heliocentric Model

• Solar Model

The different ways the Moon looks from Earth over about a month, as the moon orbits around Earth are called:

• Moon surfaces.

• Moon Phases

• Moon Eclipse