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www.space.com/33228-newborn-exoplanet-youngest-ever...

A distant, Neptune-size planet 500 light-years from Earth appears to be the youngest fully formed exoplanet ever found crossing its star, raising questions about how it formed so close, so quickly.

uk.answers.yahoo.com/question/index?qid=20080705173228AA20D8B

Define youngest! The most recently found planet would be Neptune - (remember Pluto is longer considered a planet). Also - in nebula theory - although all the planets form around the same time, the dynamics and reactions in the outer solar system are slower - and is the porcess of clearing debris - so that would mean the Neptune should be the last to finish forming.

en.wikipedia.org/wiki/Earth

Earth is the densest planet in the Solar System and the largest of the four terrestrial planets. Earth's lithosphere is divided into several rigid tectonic plates that migrate across the surface over periods of many millions of years. About 71% of Earth's surface is covered with water, mostly by oceans.

www.quora.com/Which-is-the-youngest-planet-of-the-solar-system

Q: What is the youngest planet of our solar system? It might very well be the Earth, or at least the Earth as we know it in it’s current form. All the planets (initially) formed more or less at the same time, and also not much more recently than t...

christiananswers.net/catalog/earth-vs.html

The Earth, A Young Planet. produced by Films for Christ and EO. We are bombarded by dogmatic claims that the earth is billions of years old. Is it? W e’ve all heard it hundreds, perhaps even thousands of times. “Earth is billions of years old.”

www.answers.com/Q/What_is_the_youngest_planet

In which planet would you be the youngest? You would be the youngest on Neptune (Pluto is no longer a planet) where 1 year = 164.79 years on Earth. share with friends

news.nationalgeographic.com/news/2010/06/100610-youngest...

Youngest Planet Confirmed; Photos Show It Grew Up Fast New telescope pictures prove the youngest known planet outside our solar system does in fact exist—and that planets can grow up fast—a ...

nineplanets.org/earth.html

The Earth's surface is very young. In the relatively short (by astronomical standards) period of 500,000,000 years or so erosion and tectonic processes destroy and recreate most of the Earth's surface and thereby eliminate almost all traces of earlier geologic surface history (such as impact craters). ... Earth is the only planet on which water ...

answers.yahoo.com/question/index?qid=20120101134157AAnRcbV

Best Answer: One piece of evidence that might make you think Earth is a "young planet" is the fact that Earth has a particularly large moon in comparison to its own size. No other body that is officially considered a planet has a moon anywhere near the same moon-to-planet size or mass ratio. The theory of ...

www.reddit.com/.../which_planet_in_our_solar_system_is_the

The obvious answer is that Jupiter is the youngest by virtue of its gravitational time dilation. Based on what I know about the formation of the solar system, all of the planetary bodies were accreted from many smaller colliding planetessimals in a very turbulent and dramatic period of solar system history.