The Asteroid Belt
(Main Belt, Outer Diameter)
Reference: Earth’s Orbit (Orbit Around the Sun, Widest Span) · 299,196,000 km length
Reveal round 1 measurement
Reference above · target below. Bars compare the labeled lengths.
3.27× the reference measurement. Divide 978,370,074,000 m (length) by 299,196,000,000 m (length).
Publisher’s explanationThe asteroid belt is 978 million km across — and everything in it together weighs about 3% of the Moon.