Click here to get back home

Was Proto-earth a Gas Giant ?

 HomeNewsGroups | Search | About
 alt.sci.planetary    Post an article   get this group's latest topics as an RSS feed add this group's latest topics to your My MSN content add this group's latest topics to your My Yahoo content
Subject Author Date
Was Proto-earth a Gas Giant ? David Williams 06-18-2006
Posted by David Williams on June 18, 2006, 9:33 pm
Please log in for more thread options
-> Comparing the cummulative mass of satellites to the mass of their
-> central gas giants produces a constant ratio of 0.0001 which is a
-> hundred times smaller than Moon to Earth ratio of 0.012:
-> http://www.spaceref.com/news/viewpr.html?pid=20099
-> This discepancy in ratios becomes smaller when viewed from
-> planet-evaporation-model standpoint, where terrestrial planets
-> lost their hydrogen-helium atmospheres to UV stripping:
-> http://hubblesite.org/newscenter/newsdesk/archive/releases/2003/08/text/
-> Reconstituting the lost H-He mass (98%) to original Earth
-> makes the Moon/Earth ratio 0.00025, which is more amenable to
-> reconciliation. John Curtis

Is there any reason to expect the mass ratio of earth-moon system,
which was produced by a major collision between two planets, to be the
same as those of the gas giants and their satellites, which were
produced by altogether different processes?

dow

Similar ThreadsPosted
Gas Giant without atmosphere August 14, 2007, 3:40 pm
Is Mercury a Former Gas Giant? May 13, 2008, 5:08 pm
Re: Is Mercury a Former Gas Giant? May 14, 2008, 12:00 pm
Re: Is Mercury a Former Gas Giant? May 18, 2008, 8:56 pm
Was Proto-earth a Gas Giant ? June 18, 2006, 11:16 am
Was Proto-earth a Gas Giant ? June 18, 2006, 11:43 pm
UPDATE: Gas Giant without atmosphere August 14, 2007, 9:44 pm
New Insights Into Composition of Giant Planets October 19, 2006, 12:12 pm
Voyage to the Giant Asteroids (Dawn) June 15, 2007, 3:37 pm
Sun's habitable zone as a red giant October 9, 2007, 5:18 am

Our other projects:

Art Dolls, Fairies and Mermaids - Sunnyfaces.net

Roy's Linux, Programming and Search Engines messages

1-Script XML SitemapXML Sitemap