Meteoroids are space rocks that range in size from dust grains to small asteroids. This term only applies when these rocks while they are still in space.| NASA Science
Photographing a meteor shower can be an exercise in patience, but with these tips – and some good fortune – you might be rewarded with a great photo.| NASA Science
NASA's skywatching resources are shared in that same spirit of exploration. We recognize that there's an explorer in each of us, and we want you to remember| NASA Science
Our solar system has eight planets, and five dwarf planets - all located in an outer spiral arm of the Milky Way galaxy called the Orion Arm.| NASA Science
The Kuiper Belt is a doughnut-shaped region of icy objects beyond the orbit of Neptune. It is home to Pluto and most of the known dwarf planets and some comets.| NASA Science
Asteroids, comets, and meteors are chunks of rock, ice, and metal left over from the formation of our solar system about 4.6 billion years ago.| NASA Science
The Sun is the star at the heart of our solar system. Its gravity holds the solar system together, keeping everything – from the biggest planets to the smallest bits of debris – in its orbit.| NASA Science