Home » News & Blogs » Solar System’s “Planet X” lost in space?
Bookmark and Share
Astrowright

Solar System’s “Planet X” lost in space?

22 Oct 2011, 03:59 UTC
Solar System’s “Planet X” lost in space?
(200 words excerpt, click title or image to see full post)

Well, the intriguing possibilities affecting the likelihood of a mysterious companion in our Solar System continue to blossom. First, the actions of comets suggested that there may be a large “Planet X” named Tyche beyond the Oort Cloud. Then, we discovered planets around distant stars with highly elliptical, highly inclined orbits, giving us more potential [...]

Some researchers have proposed a new planet beyond the Oort Cloud. (Credit: Ben McGee)
Well, the intriguing possibilities affecting the likelihood of a mysterious companion in our Solar System continue to blossom.
First, the actions of comets suggested that there may be a large “Planet X” named Tyche beyond the Oort Cloud. Then, we discovered planets around distant stars with highly elliptical, highly inclined orbits, giving us more potential places (oblique orbits) to look for distant, cool companions in our own system.
Now, SwRI researcher David Nesvorny recently published research indicating that our Solar System likely did have another giant planet in its youth that was flung into space as the planets matured and settled into their current orbits.
Why? Well, as it turns out, computer modeling of star systems with only four giant planets, (read: Jupiter, Saturn, Uranus, and Neptune,) doesn’t tend to ...

Latest Vodcast

Latest Podcast

Advertise PTTU

NASA Picture of the Day

Astronomy Picture of the Day

astronomy_pod