Tuesday, August 09, 2011

Forget Two Moons, Earth Would not Have Needed a Moon at all

A recent study suggested that Earth might have lost one of its two moons following a collision between the two. But a new study concludes that Earth's orbit would have been stable even without a moon.

Moon stabilizes the tilt of Earth that in turn ensures stable climatic conditions for the evolution of complex life. However, according to the latest study, "the influence of other planets in the solar system could have kept a moonless Earth stable."

"The stabilizing effect that our large moon has on Earth's rotation may not be as crucial for life as previously believed," lead researcher Jason Barnes of the University of Idaho said in his report published in Astrobiology magazine.

Barnes and his collaborators concluded that the pull of other planets in the solar system orbiting the Sun would keep Earth’s rotation on its axis steady. They insist that Jupiter, being the most massive planet of the solar system, would restore stability of a moonless Earth.

Read More

No comments: