Or Earth might come out the other way if it is a grazing encounter, but probably without its atmosphere," he said. Our galaxy may be teeming with rogue planets, gravitationally unbound to any star.

This means that pinning down specific details about the planet, including its distance from Earth, wasn’t possible. The researchers report that it was visible for just over 40 minutes.

The creators of "Planet Earth III" say they wanted to examine how nature and humans interact in the latest installment of the series that features the narration of David Attenborough.

Earth is the only planet known to support life. Learn about what Earth is made of and where it came from. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...