This planet is the smallest and closest to the sun.
What is Mercury?
Galaxies are held together by this force, which also causes the orbits of planets, stars and other celestial objects.
What is gravity?
This asterism is located near the north celestial pole and makes up the main part of the constellation Ursa Major.
What is the Big Dipper?
This man was one of the first to use telescopes for astronomical purposes, four moons of Jupiter were named after him.
Who is Galileo Galilei?
This comet completes an orbit every 72-80 years.
What is Halley's Comet?
This planet is the second largest and has the most moons.
What is Saturn?
This galaxy is the one closest to us that isn't the Milky Way.
What is the Andromeda Galaxy?
This star is often used to find the celestial north pole.
What is Polaris?
This Russian satellite was launched on October 4th, 1957.
What is Sputnik?
This event occurs when the Moon moves into the Earth's shadow.
What is a lunar eclipse?
This planet is home to the largest shield volcano in the solar system.
What is Mars?
The Small Magellanic Cloud is this kind of galaxy.
What is an irregular galaxy?
This constellation is visible in the December sky and is known for having a 3-star asterism shaped like a belt.
What is Orion?
This man is known for discovering that the planets in the solar system have a slightly irregular orbit.(He also had a prosthetic nose)
Who is Tycho Brahe?
This is the largest moon to orbit Pluto.
What is Charon?
This planet has the fastest wind speeds in the solar system.
What is Neptune?
The Milky Way is this kind of galaxy.
What is a barred spiral galaxy?
This pattern of stars is also called the Seven Sisters in some areas.
What are the Pleiades?
This is the date when the U.S landed on the moon for the first time.
What is July 20th, 1969?
This dwarf planet is known for being highly elongated due to its' orbit.
What is Haumea?
This planet was first mapped by the Magellan Orbiter.
What is Venus?
The black hole in the center of the Milky Way galaxy is named this.
What is Sagittarius A* ?
Our sun is this type of star.
What is a yellow dwarf?(also accept 'G-type Main Sequence star')
This man had a NASA telescope named after him. This telescope was one of the most successful of all time, and took hundreds of pictures.
Who is Edwin Hubble?
The space probe Juno was sent to this planet in 2011.
What is Jupiter?