Solar System
The planet where living things exist.
Hint: _ _ _ _ h
Earth
An exploding ball of burning gas held together by gravity. You can see these shiny, tiny dots in the night sky.
Hint: S_ _ _
Star
An instrument used to see objects that are far away, like stars and planets.
Hint: T_ _ _ _ _ _ p _
Telescope
How many planets are there in the Solar System?
Hint: >5
8
What you see when a rock falls to Earth. Also known as 'shooting stars'.
Hint: M _ _ _ _ _
Meteor
This star is the center of the Solar System.
Hint: _ _ _
The Sun
A large natural object that orbits, or travels around, Earth. After the Sun it is the brightest object in the sky.
Hint: M_ _ _
The Moon
A vehicle used for travel in space.
Hint: S_ _ _ e S_ i _
Space Ship
A pulling force that works across space. It keeps the planets in orbit around the Sun and causes the formation of planets, stars and galaxies.
Hint: G_ _ _ _ _ y
Gravity
A group of stars.
Hint: C _ _ _ _ _ _ _ _ _ _ _ n
Constellation
What is the closest planet to the Sun?
Hint: _ _ r _ _ _ y
Mercury
An area in space with an incredibly strong force called gravity. This gravity pulls in everything that gets close. Nothing, not even light, can escape from it.
Hint: B_ _ _ _ _ H_ _ _
Black Hole
The distance light travels in one year.
Hint: L_ _ _ _ Y_ _ _
Light Year
Who was the first man to walk on the moon?
Hint: N_ _ l A_ _ _ _ _ _ _ ng
Neil Armstrong
Hint: A _ _ _ _ _ _ _ _
Astronaut
What is the largest planet in the solar system?
Hint: _ _ p _ _ _ r
Jupiter
A huge collection of gas, dust, and billions of stars and their solar systems. An example of this is the Milky Way.
Hint: G_ _ _ _ y
Galaxy
An instrument that receives radio waves from space and finds the position of stars and other objects in space.
Hint: R_ _ _ _ T_ _ _ _ _ _ p _
Radio Telescope
A building with a large telescope from which scientists study things such as the planets by watching them.
Hint: O_ _ _ _ v_ _ _ _ y
Observatory
This happens when any celestial object blocks the light of another celestial object.
Hint: E_ _ _ _ _ e
Eclipse
What is the hottest planet in the solar system?
Hint: _ _ _ _ s
Venus
The universe as a whole.
Hint: C_ _ _ _ s
Cosmos
An instrument used for measuring wavelengths of light spectra.
Hint: Sp _ _ t _ _ _ _ _ _ r
Spectrometer
A bright explosion of a star.
Hint: S_ _ _ r _ _ _ a
Supernova
Things that exist on planets other than Earth
Hint: Ex_ _ _ _ _ _ _ _ _ _ _ ial
Extraterrestrial