Sentences with phrase «chondrite material»

Two possible ways that the inner solar system received water are: water molecules sticking to dust grains inside the «snow line» (as shown in the inset) and carbonaceous chondrite material flung into the inner solar system by the effect of gravity from protoJupiter.

This abundance is lower than model estimates of ultraviolet (UV) degradation of accreted interplanetary dust particles (IDP's) or carbonaceous chondrite material.

Not exact matches

McCord's grad students set to work on the data and came up with some preliminary findings: Ceres was a carbonaceous chondrite (a type of asteroid composed of water locked in minerals and carbon - based materials), and it had not been thermally altered.

On his desk at ASU are some polished slices of NWA 6991, a speckled, black stone known as a carbonaceous chondrite: the most primitive type of meteorite containing some of the first material from the solar system's youth.

This suggests that the value of K / U ≈ 1 X 104 is characteristic of terrestrial materials and is distinct from the value of 8 X 104 found in chondrites.

Deimos is composed of rock rich in carbonaceous material, much like C - type asteroids and carbonaceous chondrite meteorites.

Scientists have speculated that a rain of carbonaceous chondrites may have seeded early Earth with the raw material for biology here.

«We now know something like an enstatite chondrite was the starting material for Mercury, which is surprising, because they are about 10 standard deviations away from all other chondrites,» Grove says.

Fred Ciesla, an associate professor of planetary science at the University of Chicago, says the findings may reclassify chondrites, a class of meteorites that are thought to be examples of the original material from which planets formed.

«The most primitive meteorites, the carbonaceous chondrites, are primarily mixtures of many distinct materials that reflect a variety of solar nebular environments as well as planetary processing.»

«The complex suite of organic materials in carbonaceous chondrite meteorites probably originally formed in the interstellar medium and / or the solar protoplanetary disk, but were subsequently modified in the meteorites» asteroidal parent bodies.

One type, called carbonaceous chondrites, contain some of the most - primitive known samples of Solar System material, including a lot more xenon than is found in our own planet's atmosphere.