
Asteroids, Comets & Meteors
Our solar system's small bodies pack big surprises.
Overview
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.
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Study Finds Earth’s Small Asteroid Visitor Likely Chunk of Moon Rock
Lee esta historia en español aquí. The near-Earth object was likely ejected into space after an impact thousands of years ago.…
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Asteroid and Comet Resources
Explore this page for a curated collection of resources, including activities that can be done at home, as well as videos and animations, images, handouts, and online interactives. This resource package is suitable for educators, students, and anyone interested in learning more about asteroids and comets!
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A pair of stereoscopic images of the asteroid Dinkinesh and its satellite, Selam, created using data collected by the L’LORRI camera on NASA’s Lucy spacecraft in the minutes around closest approach on Nov. 1, 2023.
NASA/Goddard/SwRI/Johns Hopkins APL/NOIRLab for the original images/Brian May/Claudia Manzoni for stereo processing of the images.