Earth's Tilt
Moon Phases
Solar System
The Sun and Stars
Groups of Stars
100
An imaginary line through both poles.
What is axis?
100
a small planetlike body that orbits Earth
What is the moon?
100
a group of objects in space that orbit a star in the center, plus the star itself
What is a solar system?
100
a huge ball of superheated gases
What is a star?
100
a group of stars that form an imaginary picture in the sky
What is a constellation?
200
The path of one object in space around another object.
What is orbit?
200
any of the stages in a cycle
What is a phase?
200
a large object that orbits a star
What is a planet?
200
a star that is at the center of our solar system
What is the sun?
200
a huge system of gases, dust, and stars
What is a galaxy?
300
How many hours it takes for the earth to rotate on its axis.
What is 24 hours?
300
how many days it takes the moon to follow the same pattern
What is 29 1/2 days?
300
eight planets
What is the number of planets in our solar system?
300
the largest object in the solar system
What is the sun?
300
everything that exists in space
What is the universe?
400
The day of the year that has the most hours of daylight.
What is summer solstice?
400
365 days, 5 hours, 48 minutes, and 45 1/2 seconds long
What is a solar year?
400
Mercury, Venus, Earth, and Mars
What are the four planets closest to the sun?
400
hydrogen and heluim
What is the sun made up of?
400
object located on the edge of the Milky Way galaxy
What is our sun?
500
an imaginary line around the center of the Earth
What is the equator?
500
12 months
What is a lunar year?
500
the planet that is about the size of the Earth's moon and is covered with craters
What is Mercury?
500
red stars
What are the coolest stars?
500
constellations and galaxies
What are two ways people classify groups of stars?
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