
Asteroids, Comets & Meteors - NASA Solar System Exploration
Our solar system’s small bodies – asteroids, comets, and meteors – pack big surprises. These chunks of rock, ice, and metal are leftovers from the formation of our solar system 4.6 billion …
In Depth | Perseids – NASA Solar System Exploration
The Perseids are one of the most plentiful showers with about 50 to 100 meteors seen per hour. They occur with warm summer nighttime weather allowing sky watchers to comfortably view …
In Depth | Asteroids - NASA Solar System Exploration
Asteroids, Comets & Meteors. In Depth Introduction. Asteroids, sometimes called minor planets, are rocky remnants left over from the early formation of our solar system about 4.6 billion …
RPS 3D Viewer - NASA Solar System Exploration
2025年1月9日 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
In Depth | Oumuamua – NASA Solar System Exploration
Discovery. The first known interstellar object to visit our solar system, 1I/2017 U1 ‘Oumuamua, was discovered Oct. 19, 2017 by the University of Hawaii’s Pan-STARRS1 telescope, funded …
In Depth | 1P/Halley – NASA Solar System Exploration
Asteroids, Comets & Meteors 1P/Halley In 1986, the European spacecraft Giotto became one of the first spacecraft ever to encounter and photograph the nucleus of a comet, passing and …
In Depth | 2P/Encke – NASA Solar System Exploration
The Taurids, which peak in October/November of each year, are fast meteors (65,000 mph or 104,607 kph) and are known for their fireballs. Fireballs are meteors that are as bright or …
Planet Compare - NASA Solar System Exploration
2025年1月9日 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.
In Depth | 21P/Giacobini-Zinner - NASA Solar System Exploration
Most years the shower is weak, and many times very few meteors are seen. However, there are also Draconid meteor storms (sometimes called Giacobinid meterors) on record. A meteor …
Impact Evidence: Meteor Crater and the Moon
2021年6月9日 · On the Moon, the solar wind interacts with the surface because the Moon is not protected by an atmosphere or a magnetosphere. Read more and watch a video about the …