Stars
The birthplace of stars.
What is a nebula?
The largest planet in our solar system.
What is Jupiter?
The lunar phase when the Moon's face is completely dark and appears invisible from Earth.
The name of the galaxy our solar system is in.
What is the Milky Way?
These rocky objects orbit the Sun mainly between Mars and Jupiter in a large belt.
What are asteroids?
What is a white dwarf?
The number of planets in our solar system.
The reason for the seasons.
What is the Earth's tilted axis?
The path a planet takes as it travels around a star.
What is an orbit?
These small, icy bodies form bright tails when they get close to the Sun.
What are comets?
A large, cool, and red star towards the end of its life.
What is a red giant?
A word that describes the four planets closest to the sun—means earth-like.
What is terrestrial?
The lunar phase where more than half of the moon is lit, but it is not yet a full moon.
What is a waxing gibbous?
This scientific theory says the universe began about 13.8 billion years ago from an extremely hot, dense point.
What is the Big Bang?
These small pieces of rock or metal burn up in Earth’s atmosphere, creating a “shooting star.”
What are meteors?
A star in the main stages of its life. During this stage the star mostly converts hydrogen into helium.
What is a main sequence star?
The hottest planet in our solar system.
What is Venus?
The time or date (twice each year) when day and night are of approximately equal length.
What is the equinox?
A region of space having a gravitational field so intense that no matter or radiation can escape.
What is a black hole?
An object, natural or artificial, that orbits a larger celestial body.
What is a satellite?
The energy source for all stars—it also is what causes stars to shine so brightly.
What is nuclear fusion?
The only planet in our solar system that rotates on its side.
What is Uranus?
The time or date (twice each year) at which the sun reaches its maximum or minimum declination, marked by the longest and shortest days.
What is the solstice?
Material that is postulated to exist in space but that is not observable by visible light. It is known only from its gravitational effects.
What is dark matter?
A meteor that survives its passage through the earth's atmosphere such that part of it strikes the ground.