Planets
What is the largest planet in our solar system?
What is Jupiter?
Who was the first human to walk on the Moon?
Who is Neil Armstrong?
What does celestial mean?
What is anything related to the sky, outer space?
Who created the solar system?
God
What is the name of the planet closest to the Sun?
What is Mercury?
What was the first artificial satellite launched into space?
What is Sputnik 1?
What are small, rocky object that orbits the Sun
Who invented the telescope?
Who is Hans Lippershey?
Model that the Sun is in the middle of the solar system?
What is the Heliocentric model?
What planet has the fastest orbit around the Sun?
What is Mercury?
What was the first spacecraft to visit another planet?
What is Mariner 2, which visited Venus?
What is the name of the smallest planet in the solar system?
What is Mercury?
What is the name of the large cloud of gas and dust from which the solar system formed?
What is the solar nebula?
Which scientist used a telescope to observe moons orbiting Jupiter, providing evidence for the heliocentric model?
Who is Galileo Galilei?
What is the name of the dwarf planet located in the Kuiper Belt?
What is Pluto?
What is the purpose of the James Webb Space Telescope?
What is to study the formation of stars, galaxies, and planets in infrared light?
Which planet is sometimes called Earth's "twin" because of its similar size and composition?
What is Venus?
What process caused the Sun to form at the center of the solar nebula?
What is nuclear fusion?
What is the name of the spacecraft that visited Pluto and sent back images of its surface in 2015?
What is New Horizons?
Which two planets do not have moons?
What are Mercury and Venus?
What was the first spacecraft to leave the solar system?
What is Voyager 1?
What are the three criteria for a celestial body to be considered a planet?
What is (1) orbiting the Sun, (2) being spherical in shape due to gravity, and (3) clearing its orbit of debris?
Who discovered the planet that was later demoted to a dwarf planet in 2006?
Who is Clyde Tombaugh?
What planet has the largest volcano in the solar system, and what is its name?
What is Mars, and the volcano is Olympus Mons?