A thin stratum of iridium -
rich material suggests the cause may have been the fall of an asteroid
Not exact matches
I agree, but I would also
suggest that you take a good, hard look at some of the chronological
material from New Tribes (their Firm Foundations series) and the (similar, but vastly
richer) Framework
material from Charles Clough.
Mooley and colleagues
suggest that the rise in radio wave emissions could be explained if the jet slammed into a shell of neutron -
rich material kicked out in the neutron star crash, transferring most of its energy to that debris and smothering the jet.
Cracks cover the moon's crust, which
suggests it has cycled
material from deeper inside, so the carbon -
rich debris may have been incorporated into the ice and made it into the ocean, says Bottke.
These pools resemble the primordial environment,
suggesting that early Earth was also
rich in the
material.
The authors
suggest that the
materials the Moon initially accumulates from the outer disk could be volatile -
rich, followed by a final 100 - to 500 - kilometer layer of volatile - poor
material.
The danger is that the movie might glamorise the leads more than a stage version could — and turn a satire into a romance (director Lone Scherfig's last film was One Day)-- but the trailer
suggests the
material is still drawing blood, however
rich the matinee gloss.
Economic theory used to
suggest that as people got
richer, the marginal utility of income would fall, so people would naturally shift their energies away from
material consumption and towards higher pursuits.
Schandl et al (2016)
suggest that some
rich nations might be able to bump this up to a maximum of 4.7 % per year in the future if they roll out a high and fast - rising carbon price, and somehow manage to double their
material efficiency.