Printer Friendly
Dictionary, Encyclopedia and Thesaurus - The Free Dictionary
3,914,382,593 visitors served.
forum Join the Word of the Day Mailing List For webmasters
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

protoplanet
(redirected from Protoplanets)

    Also found in: Encyclopedia, Wikipedia 0.01 sec.
protoplanet [ˌprəʊtəʊˈplænɪt]
n
(Astronomy) a planet in its early stages of evolution by the process of accretion
Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link 		Feedback
Add definition
Mentioned in?  References in periodicals archive?   Dictionary browser?   Full browser?
 
Once protoplanets grew to diameters of 200 kilometers or larger, the radioactive elements trapped within those masses generated enough heat to melt minerals at the orbs' cores.
As life evolves, minerals do too: team recounts dramatic changes in ... by Perkins, Sid / Science News
Furthermore, because of its mass, it would be concentrated at or near the surface of the forming protoplanets along with the other elements with similar masses in sufficient abundance for life molecules to form there with relative ease.
Evolution is not the enemy; intelligent design is not the solution by Pinkham, Carlos Frank Amory / Forum on Public Policy: A Journal of the Oxford Round Table
In the subsequent cycle, all the eight protoplanets become separated (Figures 6 and 7).
Origin of planetary systems due to dichotomous division of the ... by Kompanichenko, Vladimir / Frontier Perspectives
 
 
 
Dictionary, Thesaurus, and Translations
?

Terms of Use | Privacy policy | Feedback | Advertise with Us | Copyright © 2012 Farlex, Inc.
Disclaimer
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.