Celestial Objects
A shooting star (when a space rock enters Earth's atmosphere) is also called
a meteor
In this model, the earth and other planets orbit the sun
heliocentric
When the Earth casts its shadow on the moon
Lunar eclipse
Which is bigger: a white dwarf or a red giant?
red giant
Every 365 days, the Earth moves around the sun, completing one full
Revolution
This is an object that orbits a planet
Satellite
The moon, sun, and planets all revolve around the Earth in this model
geocentric
The moon's gravity affects the Earth's oceans by pulling them toward it, called
tides
True or False: the Sun is dying
True
Every 24 hours, Earth moves from West to East, in a process called
rotation
This is a cloud of dust and gas in space where stars are born
Nebula
This scientist proved the heliocentric model by discovering Jupiter's four moons
Galileo
When the sun is blocked by the moon and casts a shadow on Earth, this happens
Solar Eclipse
The process where atoms combine to form heavier atoms (like hydrogen to helium) is called
nuclear fusion
Earth's seasons are caused by the tilt of this
the axis