Galaxy
This galaxy is the one we live in.
What is the Milky Way?
The closest star to Earth.
What is the Sun?
This planet is closest to the Sun.
What is Mercury?
This was the first human to walk on the Moon.
Who is Neil Armstrong?
A year on this planet is longer than a year on Earth.
What is Jupiter?
The largest galaxy in our local group.
What is the Andromeda Galaxy?
Stars that explode at the end of their life are called this.
What is a supernova?
Known as the Red Planet.
What is Mars?
The first spacecraft to visit all the outer planets.
What is Voyager 2?
This planet rotates in the opposite direction from most planets.
What is Venus?
Galaxies are made of stars, gas, and this kind of invisible matter.
What is dark matter?
The color of a star tells scientists its what?
What is temperature?
The largest planet in our solar system.
What is Jupiter?
This telescope allows us to see far into space from Earth's orbit.
What is Hubble Telescope?
The tail of a comet is made of this.
What is gas and dust?
A galaxy shaped like a football, without spirals.
What is Elliptical Galaxy?
This type of star is very bright but runs out of fuel quickly.
What is a massive star?
Planets that are made mostly of gas are called this.
What is gas giants?
NASA mission that landed rovers on Mars to study its surface.
What is Mars Rover?
This planet is tilted on its side, causing extreme seasons.
What is Uranus?
These small galaxies orbit around larger galaxies.
What are dwarf galaxies?
Stars that have stopped producing energy are called this.
What is a white dwarf?
The planet with a ring system made mostly of ice and rock.
What is Saturn?
The international space station abbreviation.
What is ISS?
The number of known dwarf planets in our solar system.
What is five (Pluto, Eris, Haumea, Makemake, Ceres)?