Sentences with phrase «planetary origin»

For example, they want to measure the planet's inventory of stable noble gases, such as xenon and krypton, which change little in abundance over billions of years and hold clues to planetary origins.

The unanswered question, so far, has been the planetary origin of 2008 TC3 ureilites.

These simulations are based, in part, on how the planets in Earth's solar system coalesced, but it's unclear how common these types of planetary origins are.

In the 48 years since it fell to Earth, the meteorite has spurred research into our planetary origins, leading most recently to a NASA mission, launched last fall, to collect more of this primitive material right from the source.

It seems the problems began when the journal's editors agreed to a special issue on «Pattern in solar variability, their planetary origin and terrestrial impacts,» in which the issue's editors had the temerity to «doubt the continued, even accelerated, warming as claimed by the IPCC project.»