Stars
Inner Planets
Outer Planets
Moons
Smaller Bodies
100
the brightness of a star as it appears to an observer on Earth
What is apparent magnitude?
100
the amount of time that an object takes to rotate once
What is period of rotation?
100
This body is now classified as a dwarf planet.
What is Pluto?
100
This moon is also known as Luna.
What is the moon?
100
“dirty snowballs” made of ice, rock, and dust
What is comets?
200
the distance that light travels in one year
What is light-year?
200
a dense and rocky planet similar to Earth
What is terrestrial planet?
200
This planet has a well-known bright ring system.
What is Saturn?
200
This moon is believed to be a captured asteroid.
What is Deimos or Phobos?
200
a rocky body that strikes the surface of a planet
What is meteorite?
300
the brightness of a star at a distance of 32.6 light-years from Earth
What is absolute magnitude?
300
the time an object takes to revolve around the sun once
What is period of revolution?
300
This planet has a huge storm called the Great Red Spot.
What is Jupiter?
300
This moon has an atmosphere very similar to early Earth.
What is Titan?
300
small pieces of an asteroid that travel through space
What is meteoroid?
400
the band of color produced when white light passes through a prism
What is spectrum?
400
a planet or moon that has a counterclockwise spin has this type of rotation
What is prograde rotation?
400
This planet has belts of visible clouds
What is Neptune?
400
This moon may have oceans of liquid water.
What is Europa?
400
a region of space between the orbits of Mars and Jupiter
What is asteroid belt?
500
an apparent shift in an object’s position when viewed from different locations
What is parallax?
500
the kind of rotational spin that causes the sun to appear to rise in the west and set in the east
What is retrograde rotation?
500
This planet is tipped over onto its side.
What is Uranus?
500
This moon is larger than the planet Mercury.
What is Ganymede?
500
small, rocky bodies that revolve around the sun
What is asteroids?
M
e
n
u