... In the final transition strange changes occur--the star becomes a "red giant," diffuse and enormously large, and later much of the material is blown to space where it forms a "planetary" nebula, but there is no explosion. ...
... In the final transition strange changes occur--the star becomes a "red giant," diffuse and enormously large, and later much of the material is blown to space where it forms a "planetary" nebula, but there is no explosion. ...
... It will then be forced into radical changes which, though commonplace by stellar standards, will result in the total destruction of the Earth (and probably the creation of a planetarynebula ). ...
... At about this time, about 1 million years after the nebula cooled, the star would generate a very strong solar wind, which would sweep away all of the gas left in the protoplanetary nebula. ...
... What HST did find were disks of matter around stars seen in silhouette against the Orion Nebula (called 'proplyds', for ' proto-planetary disks ' (right). ...
... The probe's measurements may necessitate a re-evaluation of existing views of how Jupiter evolved from the solar nebula. ... scientific understanding of the process of fractionation, the "raining out" of helium and neon during planetary evolution ...
... Adams was the first person to predict the position of a planetary mass beyond Uranus ... the bogus "Bode's Law" which attempts to explain the sizes of the planetary orbits ...
... Ula mec (DLR, Koln D, Europe) ; J. Kawagu shi ( JSPEC/JAXA), H. Yano (JSPEC/JAXA, Japan) & R.P. Binzel (MI T, Cambr id ge, USA) In the early solar nebula, the dust accreted to for m planetesimals a nd the planetesi mals accreted to form planetary embryos ...
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Ссылки http://www.iki.rssi.ru/oct4/2007/ppt/03_04_Antonella_Barucci.pdf -- 959.1 Кб -- 04.12.2007 Похожие документы
... And finally, planetary magnetic fields observed by distant space probes suggest that several different processes of planetary magnetization may exist. ...