Planets
This is the largest planet in our solar system.
Jupiter
This was the first country to land humans on the Moon.
The United States of America
The closest star to Earth.
Sun
The first artificial satellite launched into space.
Sputnik 1
Earth orbits the Sun in this amount of time.
1 year (365 days)
Known as the “Red Planet,” it has the largest volcano in the solar system.
Mars
The name of the first astronaut to step on the Moon.
Neil Armstrong
The name of our galaxy
The Milky Way
NASA’s most famous space telescope launched in 1990.
Hubble Space Telescope
The name for chunks of rock or metal that enter Earth’s atmosphere and burn up.
Meteors (or shooting stars)
This planet rotates on its side, making its seasons very unusual.
Uranus
The Moon’s gravity is about what fraction of Earth’s gravity?
About one-sixth (1/6)
A dying star much more massive than the Sun can explode in this event.
Supernova
This rover landed on Mars in 2021 to search for signs of ancient life.
Perseverance
This is the term for the force that keeps planets in orbit around the Sun.
Gravity
The densest planet in our solar system.
Earth
The dark, flat regions of the Moon are called this.
Maria (singular: Mare)
A group of stars forming a recognizable pattern in the night sky is called this.
Constellation
The reusable spacecraft used by NASA from 1981 to 2011.
Space Shuttle
The largest type of star known in the universe.
Supergiant star (e.g., red supergiant)
The hottest planet, even hotter than Mercury, due to its thick atmosphere
Venus
The last person to the land on the moon.
Eugene Cernan
This is the term for a region in space with gravity so strong that not even light can escape.
Black Hole
The year humans first landed on the Moon.
1969
This is the estimated age of the universe, according to scientists.
About 13.8 billion years