Seasons
top half of Earth (above Equator)
What is the Northern Hemisphere?
Planet closest to the Sun
Mercury
point where the earth seems to meet the sky
What is horizon?
time it takes a planet to make one orbit (or revolution) around its star
What is a Year?
bottom half of Earth (below the Equator)
What is the Southern Hemisphere?
Other planet in Sun's habitable zone
What is Mars?
process of spinning around an axis
What is rotation?
amount of time it takes Earth to rotate on its axis (spinning around completely)
What is Day?
imaginary line that divides the Earth in half
What is the Equator?
Known as the Blue planet
What is Earth?
important force that pulls/holds things
What is gravity?
path Earth travels around Sun
What is its orbit?
Season when Northern Hemisphere is tilted away from the sun
What is winter?
planet with a rocky, solid surface
What is terrestrial?
spectacular light show in the sky
line around which an object spins (from North to South Pole on Earth)
What is Axis?
Season when Northern Hemisphere is tilted towards the sun
What is Summer?
place in any system where life can exist
What is Habitable Zone?
invisible shield that protects from radiation (causes aurora)
What is magnetosphere?
process of spinning around an axis
What is rotation?