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what color are the coolest stars


what color is our star the sun


what color are the hottest stars


what are stars classified by


what object is at the center of our solar system

the sun

the milky way galaxy has what shape

barred spiral

our solar system is in what galaxy

Milky Way

all galaxies and everything in space


our planet spins around what imaginary line

an axis

What is it called when the Earth spins on it's axis


What does one complete ROTATION of the Earth equal

1 Day

What is the path that Earth follows around the sun


What is the movement of the Earth around the sun called


What does one REVOLUTION of the Earth equal

1 Year

How long is the Lunar cycle (the moons revolution)

29 and a half (29.5) days

What is caused by the tilt of the Earth's axis


Our system of time is based on this

One rotation of the Earth

List the Planets in order from the SUN

1.Mercury 2. Venus, 3, Earth, 4. Mars, 5. Jupiter, 6. Saturn, 7. Uranus, 8. Neptune, 9. Pluto

What is a pattern of stars


What is a huge ball of hot gases (the sun)


What is held in place by the gravitational force of a star


What is made up of a star and al the planets and objects that revolve around the star

Solar System

The position of the moon over a month's time. Each phase reflect the sun in different ways creating certain shapes

Moon phase

What is the imaginary line that passes through the Earth's poles


What is a swirling mass of stars, gas and dust


Everything that exists, including planets, stars, dusts and gases


What are four differences between the Earth and the moon?

1. The moon is smaller
2. The moon pull of gravity is a 1/6 that of the Earth
3. the moon has no atmosphere
4. the moon has no liquid water

What are the four thing the same between the Earth and the moon

1. both are fairly dense
2. both are both rocky
3. both are made of the same elements
4. They both have craters

What 3 reasons are there more craters on the moon than the Earth

1. There is no weather on the moon to erode the craters like there is on the Earth.
2. The Earth has more craters because the meteors burn up in the Earth's atmosphere.
3. The moon has lower gravity than Earth which preserves it's craters

Any natural body that revolves around a planet


a low, bowl shaped area on the surface of a planet or moon


one of the shapes the moon seems to have as it orbits the Earth

moon shape

an event that occurs when one object in spaces passes trhought the shadow of another object in space


the bending of light as it moves from one material to another


the same side of the moon always faces what


one of the shapes the moon seems to have as it orbits earth

moon phase

what happens when the moon casts a shadow on the Earth

solar eclipse

what is in the shadow during a solar eclipse


what happens when the Earth blocks the suns' light to the moon

Lunar Eclipse

what time of day or night does a lunar eclipse happen


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