It was a tiny blip, settling down feather-light toward the surface of the snowball protoplanet. From Wordnik.com. [Starchild Omnibus]
He cut in maximum magnification on the screens, and the surface of the little protoplanet of frozen gases leaped up toward him. From Wordnik.com. [Starchild Omnibus]
New close-up images of Pallas from the Hubble Space Telescope reveal that the second largest asteroid in the solar system appears to be a protoplanet, as well. From Wordnik.com. [Asteroid Pallas is Also a Protoplanet | Universe Today] Reference
In the scientific community a widespread theory is that the moon was created when a protoplanet called Theia collided with Earth, and that that was also the catalyst necessary for life here, that it changed the chemical and climatic makeup suffiecently to birth simple early life like molecules that eventually evolved into proper simple organisms and after millions of years, us. From Wordnik.com. [Your Creation Museum Report « Whatever] Reference
Only this makes it possible to calculate from which material mixture the protoplanet was made. From Wordnik.com. [Yahoo! News: Business - Opinion] Reference
Pallas, like its sister asteroids Ceres and Vesta, was that rare thing: an intact protoplanet. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
Gas clusters that push the protoplanet outward can sometimes exert stronger forces than those that push inward. From Wordnik.com. [Latest Science News Features, Blog Entries, Column Entries, Issues, Articles and Book Reviews] Reference
It's a good theory, but it leaves one awkward question unanswered: Where did the enormous protoplanet come from?. From Wordnik.com. [Science @ NASA] Reference
Scientists consider this onion-like asteroid to be a protoplanet, a relic from an early phase of planet formation more than 41 /2 billion years ago. From Wordnik.com. [Yahoo! News: Business - Opinion] Reference
The standard explanation is that Uranus must have been involved in some kind of interplanetary collision with and earth-sized protoplanet in the early days of the solar system. From Wordnik.com. [Technology Review RSS Feeds] Reference
But Britney Schmidt believes interest in the asteroids and what they represent can only grow and is hopeful that her protoplanet could one day become a target for a space mission. From Wordnik.com. [Signs of the Times] Reference
Kilometers wide, Vesta is believed to be the only remaining protoplanet from the early phase of our solar system. From Wordnik.com. [Yahoo! News: Business - Opinion] Reference
Many scientists consider Vesta a protoplanet. From Wordnik.com. [PhysOrg.com - latest science and technology news stories] Reference
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