This is the hottest planet.
What is Venus?
This is why Mercury is considered the Swift Planet.
What is its 88 day orbit around the sun?
This astronomer is credited with the discovery of many of our planets.
Who is Galileo Galilei?
This is the coldest planet.
What is Uranus?
The sun is classified as this type of celestial body.
What is a star?
This instrument proved there was water ice on the poles of the moon.
What is a spectrometer?
This planet is home to Olympus Mons, the largest volcano in the solar system.
What is Mars?
This is why Pluto is no longer considered a planet.
What is it doesn't clear its neigborhoods?
This planet is known as the Goldilocks planet because of its distance from the sun.
What is Earth?
It takes the Earth 365 days to do this.
What is revolve (orbit) around the sun?
This is the phase after the New Moon phase. The moon is gaining light but is not yet a First Quarter.
What is waxing crescent?
This planet has a longer day than year.
What is Venus?
This is what causes the Aurora Borealis.
What are solar flares?
These are the terrestrial planets.
What are Mercury, Venus, Earth, and Mars?
This is how long it takes Earth to complete one rotation.
What is 24 hours --or one day?
This is the number of phases of the moon.
What is 8?
This planet has the largest moon in the solar system.
What is Jupiter? (Ganymede)
This planet was discovered based on mathematical calculations.
What is Neptune?
These are the gas giants.
What are Jupiter, Saturn, Uranus, and Neptune?
These are reasons the sun is important to us on Earth.
What is - gives us light, heat, food for plants, electricity, etc?
This is the number of days in the lunar cycle.
What is 29?
This is the order of the planets from the sun.
This is what gives Mars its red color and the nickname the Red Planet.