Binary asteroids, difficult to find due to size and distance, have implications for understanding the solar system's formation with only 500 of a million known asteroids found in binary systems.
Asteroids offer insights into the material that originated the Sun and planets billions of years ago. Observing binary asteroids helps understand how these space rocks interact and collide.
ESA's Gaia mission data, including upcoming releases, revealed wobbles in asteroid orbits indicating hidden moons. Over 150,000 asteroids' positions and motions were precisely mapped.
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