nebular hypothesis

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Related to Solar Nebula: Solar nebula theory
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Words related to nebular hypothesis

(cosmology) the theory that the solar system evolved from a hot gaseous nebula

References in periodicals archive ?
My modeling for the heating events shows that shock waves passing through the solar nebula is what melted most chondrules," Desch explained.
Allah clove them asunder with a Big Bang, the earth and all the galaxies with their stars and planets got separated from the solar nebula.
But with enough photons slamming into enough dust grains in the early solar nebula, it's hard to avoid making complex molecules this way, Ciesla says.
Astronomers believe our solar system was created from a solar nebula, or gas cloud.
Elsewhere, dying stars would have produced oxygen and other heavier elements, and all must have been injected into the solar nebula through a supernova, the explosive death of a large star.
Scientists have so far not been able to assign a date to the formation of the gas giant, but know that it was likely within 10 million years after the solar system came about, at a time when the solar nebula - a ring of gas and dust around the sun from which the rest of the bodies in the solar system eventually formed - was still around.
Zn, Ga, Cu, and Rb) in terrestrial, lunar and meteoritic materials to constrain the origin of solar systems volatile element depletion 2) Determine the age of the volatile element depletion by using a novel and original approach: calculate the original Rb/Sr ratio of the Solar Nebula by measuring the isotopic composition of the Sun with respect to Sr via the isotopic composition of solar wind implanted in lunar soil grains.
The Kuiper Belt is a remnant of the original solar nebula out of which our planetary system formed, but it is made of the material that couldn't coalesce into a planet due to the large volume of space and low density of matter so far from the Sun.
The intensive studies of objects in this meteorite have had a tremendous influence on current thinking about processes, timing, and chemistry in the primitive solar nebula and small planetary bodies," George Rossman, co-author of the study, said.
The implication is that we did not form out of the same solar nebula materials that created the sun -- just how and why remains to be discovered.
It is amazing that more than a trace amount of comets comes from the inner, hotter regions of the solar nebula where Earth formed," says Brownlee.
This proposal will be based on new experiments reproducing the conditions of the solar nebula in its first few million years and on a newly designed Knudsen Effusion Mass Spectrometer (KEMS) that will be built for the purpose of this project.
The Moon, like the Earth, Sun, and all other objects within our solar system, ultimately formed from materials that condensed out of the solar nebula roughly 4.