science.nasa.gov
Asteroids, Comets, and Meteors
https://science.nasa.gov/asteroids-comets-meteors/
Asteroids, comets, and meteoroids are chunks of rock, ice, and metal left over from the formation of our solar system about 4.6 billion years ago.
science.nasa.gov
Pluto & Dwarf Planets
https://science.nasa.gov/dwarf-planets/
Our solar system has five dwarf planets: In order of distance from the Sun they are: Ceres, Pluto, Haumea, Makemake, and Eris.
science.nasa.gov
Neptune
https://science.nasa.gov/neptune/
Neptune is the eighth and most distant planet from the Sun. It’s the fourth largest, and the first planet discovered with math.
science.nasa.gov
Uranus
https://science.nasa.gov/uranus/
Uranus is the seventh planet from the Sun, and the third largest planet in our solar system. It appears to spin sideways.
science.nasa.gov
Saturn
https://science.nasa.gov/saturn
Saturn is the sixth planet from the Sun, and the second largest in the solar system. It’s surrounded by beautiful rings.
