This planet is the first from the Sun.
What is Mercury?
The three moons of this planet are Hydra, Nix, Charon.
What is Pluto?
It was invented in the 1600s.
What is the telescope?
Have been sent to explore our solar system and beyond.
What is spacecraft?
When one pole of this planet is directly facing the Sun, the other pole is in darkness.
What is Uranus?
Sometimes it's called shooting stars because that's what they look like.
What is meteors?
In 1668 he built the first reflecting telescope.
Who is Isaac Newton?
The spacecraft is making a one-way journey to and through the Kuiper Belt.
What is New Horizons?
The winds around this planet can reach more than 1.600 ft. (500m) per second!
What is Saturn?
Chunks of rock, dust, and ice in the sky.
What is comets?
In 1990 lunched the Hubble Space Telescope.
What is NASA?
The spacecraft that measured water vapor on one of Saturn's moons, Enceladus.
What is Cassini?