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Eyes on Asteroids - NASA/JPL - NASA's Eyes
Asteroids - NASA Science
Asteroid - Wikipedia
What Is an Asteroid? | NASA Space Place – NASA Science for Kids
Asteroid Fast Facts - NASA
NASA’s Planetary Radar Tracks Two Large Asteroid Close …
Asteroids, Comets & Meteors - NASA Science
Asteroid | Definition, Size, & Facts | Britannica
What are Asteroids? - Universe Today
Fast Facts | NASA Jet Propulsion Laboratory (JPL)
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