News tagged with oxygen isotopes
Oldest objects in solar system indicate a turbulent beginning
(PhysOrg.com) -- Scientists have found that calcium, aluminum-rich inclusions (CAIs), some of the oldest objects in the solar system, formed far away from our sun and then later fell back into the mid-plane ...
Mar 03, 2011 |
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Fossil sirenians give scientists new look at ancient climate
(PhysOrg.com) -- What tales they tell of their former lives, these old bones of sirenians, relatives of today's dugongs and manatees.
Space & Earth / Earth Sciences
Apr 21, 2011 |
3.6 / 5 (5) |
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Meteorite just one piece of an unknown celestial body
(PhysOrg.com) -- Scientists from all over the world are taking a second, more expansive, look at the car-sized asteroid that exploded over Sudan's Nubian Desert in 2008. Initial research was focused on classifying ...
Space & Earth / Space Exploration
Dec 15, 2010 |
4.7 / 5 (16) |
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53 million-year-old high Arctic mammals wintered in darkness
(PhysOrg.com) -- Ancestors of tapirs and ancient cousins of rhinos living above the Arctic Circle 53 million years ago endured six months of darkness each year in a far milder climate than today that featured ...
Space & Earth / Earth Sciences
Jun 01, 2009 |
4.8 / 5 (17) |
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Hazy shades of life on early Earth
A 'see-sawing' atmosphere over 2.5 billion years ago preceded the oxygenation of our planet and the development of complex life on Earth, a new study has shown.
Space & Earth / Earth Sciences
Mar 18, 2012 |
4.7 / 5 (3) |
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Toppling Raman shift in supercritical carbon dioxide
(PhysOrg.com) -- Just as a wine glass vibrates and sometimes breaks when a diva sings the right note, carbon dioxide vibrates when light or heat serenades it. When it does, carbon dioxide exhibits a vibrational ...
Feb 29, 2012 |
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Replacing hydrogen in fluorescent dyes improves detection ability, stability and shelf life
By swapping out one specific hydrogen atom for an isotope twice as heavy, researchers have increased the shelf life and detection ability of fluorescent probes that are essential to studying a variety of inflammatory ...
Jul 20, 2010 |
5 / 5 (4) |
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Oxygen isotopes improve weather predictability in Niger
For the African nation of Niger, the effect of seasonal atmospheric variability on the weather is poorly understood. Because most residents rely on local agriculture, improving the predictability of seasonal weather and precipitation ...
Space & Earth / Earth Sciences
May 17, 2012 |
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Earth's early ocean cooled more than a billion years earlier than thought (w/ Video)
(PhysOrg.com) -- The scalding-hot sea that supposedly covered the early Earth may in fact never have existed, according to a new study by Stanford University researchers who analyzed isotope ratios in 3.4 ...
Space & Earth / Earth Sciences
Nov 11, 2009 |
4.3 / 5 (12) |
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The rise of oxygen caused Earth's earliest ice age
(PhysOrg.com) -- Geologists may have uncovered the answer to an age-old question - an ice-age-old question, that is. It appears that Earth's earliest ice ages may have been due to the rise of oxygen in Earth's ...
Space & Earth / Earth Sciences
May 07, 2009 |
4.6 / 5 (20) |
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Atmospheric carbon dioxide buildup unlikely to spark abrupt climate change
There have been instances in Earth history when average temperatures have changed rapidly, as much as 10 degrees Celsius (18 degrees Fahrenheit) over a few decades, and some have speculated the same could happen again as ...
Space & Earth / Earth Sciences
Jun 20, 2011 |
3.8 / 5 (13) |
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New findings could sway thought on climate change
(PhysOrg.com) -- A newly published paper written by a University of Nebraska-Lincoln researcher and his team could influence the way scientists think about global warming and its effects.
Space & Earth / Earth Sciences
Oct 20, 2010 |
4.4 / 5 (37) |
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Insects hold atomic clues about the type of habitats in which they live
Scientists have discovered that insects contain atomic clues as to the habitats in which they are most able to survive. The research has important implications for predicting the effects of climate change on the insects, ...
Feb 16, 2011 |
4.3 / 5 (3) |
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Geologists revisit the Great Oxygenation Event
In "The Sign of the Four" Sherlock Holmes tells Watson he has written a monograph on 140 forms of cigar-, cigarette-, and pipe-tobacco, "with colored plates illustrating the difference in the ash." He finds ...
Space & Earth / Earth Sciences
Aug 19, 2010 |
4.9 / 5 (16) |
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Half-baked asteroids have Earth-like crust
Asteroids are hunks of rock that orbit in the outer reaches of space, and scientists have generally assumed that their small size limited the types of rock that could form in their crusts. But two newly discovered ...
Space & Earth / Earth Sciences
Jan 07, 2009 |
4.7 / 5 (3) |
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Isotopes of oxygen
There are three stable isotopes of oxygen that lead to oxygen (O) having a standard atomic mass of 15.9994(3) u. Also 10 unstable isotopes have been characterized.
For more information about Isotopes of oxygen, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
