Asteroid
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An asteroid is a minor planet—an object larger than a meteoroid that is neither a planet nor an identified comet—that orbits within the inner Solar System or is co-orbital with Jupiter. Asteroids are
A composite image, to the same scale, of the asteroids imaged at high resolution prior to 2012. They are, from largest to smallest: 4 Vesta, 21 Lutetia, 253 Mathilde, 243 Ida and its moon Dactyl, 433 Eros, 951 Gaspra, 2867 Šteins, 25143 Itokawa.
Vesta (left), with Ceres (center) and the Moon (right) shown to scale
Giuseppe Velasquez, Giuseppe Piazzi and Ceres, oil on canvas, c. 1803
2013 ET, shown here in radar images, has a provisional designation
Meteoroid
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A meteoroid is a small body in outer space. Meteoroids are distinguished as objects significantly smaller than asteroids, ranging in size from grains to objects up to one meter wide. Objects smaller t
Asteroid
…An asteroid is a minor planet—an object larger than a meteoroid (thus 1 meter or larger) that is neither a planet nor an identified comet—that orbits within the inner Solar System or is co-orbital with Jupiter (Trojan…
Meteoroid embedded in aerogel; the meteoroid is 10 μm in diameter and its track is 1.5 mm long
2008 TC3 meteorite fragments found on February 28, 2009, in the Nubian Desert, Sudan
Murnpeowie meteorite, an iron meteorite with regmaglypts resembling thumbprints (Australia, 1910)
Two tektites, molten terrestrial ejecta from a meteorite impact