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Originally posted by Dark Angel
having broken up several million years ago it is unlikely it will reform.
Originally posted by lostinspace
"The atom of Sol is incomplete, but it is balanced."
1. Venus
2. Earth
3. Wan
4. Jupiter
5. Saturn
6. Uranus
7. Neptune
Wan will be restored in the future.
Originally posted by St Udio
Originally posted by lostinspace
"The atom of Sol is incomplete, but it is balanced."
1. Venus
2. Earth
3. Wan
4. Jupiter
5. Saturn
6. Uranus
7. Neptune
Wan will be restored in the future.
? mercury isnt listed
? other sizeable KuiperBeltObjects
Originally posted by lostinspace
Originally posted by lostinspace
"The atom of Sol is incomplete, but it is balanced."
1. Venus
2. Earth
3. Wan
4. Jupiter
5. Saturn
6. Uranus
7. Neptune
Wan will be restored in the future.
Space scientists John Chambers and Jack Lissauer of NASA's Ames Research Center hypothesize that along with Mercury, Venus, Earth, and Mars -- the terrestrial, rocky planets -- there was a fifth terrestrial world, likely just outside of Mars's orbit and before the inner asteroid belt. Moreover, Planet V was a troublemaker.
"The extra planet formed on a low-eccentricity orbit that was long-lived, but unstable," Chambers reported. About 3.9 billion years ago, Planet V was perturbed by gravitational interactions with the other inner planets. It was tossed onto a highly eccentric orbit that crossed the inner asteroid belt, a reservoir of material much larger than it is today. Planet V's close encounters with the inner belt of asteroids stirred up a large fraction of those bodies, scattering them about. The perturbed asteroids evolved into Mars crossing orbits, and temporarily enhanced the population of bodies on Earth-crossing orbits, and also increased the lunar impact rate. After doing its destabilizing deeds, Planet V was lost too, most likely spinning into the Sun, the NASA team reported.