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Q-class asteroid
A rare class of asteroid of which only Apollo and a few other near-Earth asteroids are known to belong. Q types are fairly bright and have reflectance spectra with a strong absorption feature at wavelengths less than 0.7 micron and a mild one near 1 micron – spectra that are similar to those of ordinary carbonaceous chondrites.
Related category
• ASTEROIDS AND OTHER MINOR PLANETS: TYPES AND GROUPS
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