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Discover interesting facts about the sun, the solar system's central star that supports all life on Earth. Comments ( 0 ) ( ) When you purchase through links on our site, we may earn an ...
How Big Is the Oort Cloud? The inner edge of the Oort Cloud is believed to be between 2,000 and 5,000 astronomical units (AU) from the sun—with one AU equal to around 93 million miles.
Rocky bodies called protoplanets were thought to have formed slightly earlier in the inner solar system than those beyond the ...
Solar System Quiz—Questions. Confusing your Kelvins with your craters? Red spots with gas giants? Our solar system continues to reveal amazing facts and inspire some out-of-this-world fantasy.
“It’s completely plausible for our solar system to have captured such an Oort cloud planet,” says Nathan Kaib, a co-author on the new work and an astronomer at the Planetary Science Institute.
How far away it is: 93 million miles (150 million km) ...
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