Earth's last magnetic field reversal took far longer than once thought
Earth's magnetic field seems steady and true—reliable enough to navigate by.
Earth Sciences
Aug 7, 2019
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785
News tagged with lava
Related topics:
volcano
Do volcanoes or an asteroid deserve blame for dinosaur extinction?
UC Berkeley scientists have obtained more precise dates for the Deccan Traps volcanic lava flows, linking peak activity more closely to the asteroid or comet impact 66 million years ago and the coincident mass extinction. ...
Earth Sciences
Feb 21, 2019
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265
Scientists brew lava and blow it up to better understand volcanoes
What happens when lava and water meet? Explosive experiments with manmade lava are helping to answer this important question.
Earth Sciences
Dec 10, 2018
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265
Size matters—if you are a bubble of volcanic gas
The chemical composition of gases emitted from volcanoes—which are used to monitor changes in volcanic activity—can change depending on the size of gas bubbles rising to the surface, and relate to the way in which they ...
Earth Sciences
Aug 6, 2018
0
71
Lava or not, exoplanet 55 Cancri e likely to have atmosphere
Twice as big as Earth, the super-Earth 55 Cancri e was thought to have lava flows on its surface. The planet is so close to its star, the same side of the planet always faces the star, such that the planet has permanent day ...
Astronomy
Nov 16, 2017
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226
Researchers discover hottest lavas that erupted in past 2.5 billion years
An international team of researchers led by geoscientists with the Virginia Tech College of Science recently discovered that deep portions of Earth's mantle might be as hot as it was more than 2.5 billion years ago.
Earth Sciences
May 22, 2017
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155
Early Earth's air weighed less than half of today's atmosphere
The idea that the young Earth had a thicker atmosphere turns out to be wrong. New research from the University of Washington uses bubbles trapped in 2.7 billion-year-old rocks to show that air at that time exerted at most ...
Earth Sciences
May 9, 2016
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Asteroid impact, volcanism were one-two punch for dinosaurs
Berkeley geologists have uncovered compelling evidence that an asteroid impact on Earth 66 million years ago accelerated the eruptions of volcanoes in India for hundreds of thousands of years, and that together these planet-wide ...
Earth Sciences
Oct 1, 2015
16
1063
New insight may help predict volcanic eruption behavior
A new discovery in the study of how lava dome volcanoes erupt, published today in Nature Geoscience, may help in the development of methods to predict how a volcanic eruption will behave, say scientists at the University ...
Earth Sciences
May 4, 2014
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0
Research duo suggest early Earth had heat-pipe channels similar to Jupiter's moon Io
(Phys.org) —Two planetary researches, one from Hampton University and the National Institute of Aerospace, the other from Louisiana State University, have published a paper in the journal Nature suggesting that for a period ...
