In Depth | Asteroids - NASA Solar System Exploration
Scientists can learn a great deal about an asteroid's orbit, rotation, size, shape, and metal concentration. Asteroid Classifications Main Asteroid Belt: The majority of known asteroids …
Asteroids, Comets & Meteors - NASA Solar System Exploration
This site is maintained by the Planetary Science Communications team at NASA’s Jet Propulsion Laboratory and Goddard Space Flight Center for NASA’s Science Mission Directorate.
In Depth | Perseids – NASA Solar System Exploration
The Perseid meteor shower, which peaks in mid-August, is considered the best meteor shower of the year. With swift and bright meteors, Perseids frequently leave long "wakes" of light and …
Galleries | Meteors & Meteorites - NASA Solar System Exploration
NASA Mars lander felt the ground shake during the impact while cameras aboard the Mars Reconnaissance Orbiter spotted the yawning new crater from space. Stunning New Meteoroid …
Stardust | JPL | NASA - NASA Solar System Exploration
Summer Meteor Shower (Perseids) (NASA Science News - July 19, 2002) SwRI Researchers Ask: Where Have All The Comets Gone? (Southwest Reseach Institute - June 20, 2002)
In Depth | Oumuamua – NASA Solar System Exploration
Two of NASA’s space telescopes (Hubble and Spitzer) tracked the object traveling about 85,700 miles per hour (38.3 kilometers per second) relative to the Sun. Its outbound path is about 20 …
2016 Arizona Meteorite Fall Points Researchers to Source of LL ...
Apr 22, 2020 · Analysis of the meteorites showed that Dishchii’bikoh, unlike Chelyabinsk, was a harmless size of 80 centimeters in diameter (32 inches), based on rare isotopes left in the …
Stardust | JPL | NASA - NASA Solar System Exploration
Nov 26, 2003 · Follow their history, from the meteorite that may have caused the dinosaurs' extinction to present day scientists who are learning about the formation of stars and solar …
Compelling Evidence Found for Ancient Life on Mars
Dec 13, 2000 · The researchers discovered evidence of bacteria in a Martian meteorite. Tiny magnetite crystals - so called magnetofossils - embedded in the meteorite were confirmed to …
Planet Compare - NASA Solar System Exploration
Jan 9, 2025 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.