Heavy iron isotopes leaking from Earth's core
Earth's molten core may be leaking iron, according to researchers who analyzed how iron behaves inside our planet.
Earth Sciences
Apr 13, 2020
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News tagged with rocky mantle
Image: Testing InSight
Testing continued on NASA's Interior Exploration using Seismic Investigations, Geodesy and Heat Transport, or InSight, spacecraft on inside the Astrotech processing facility at Vandenberg Air Force Base in early March 2018.
Space Exploration
Mar 30, 2018
0
10
Magnetic memories of a metal world
4.5 billion years ago in the violent, high-speed environment of the early solar system, a protoplanet roughly the size of Mars was involved in a series of fierce collisions with other large planetary bodies.
Space Exploration
Jun 22, 2017
1
10
A giant lava lamp inside the Earth might be flipping the planet's magnetic field
If you could travel back in time 41,000 years to the last ice age, your compass would point south instead of north. That's because for a period of a few hundred years, the Earth's magnetic field was reversed. These reversals ...
Earth Sciences
May 16, 2017
5
177
Vesta—Ceres' little sister
Only around 60 million kilometres closer to the Sun than Ceres, another large rock is orbiting in the remote asteroid belt: Vesta. Although its diameter of approximately 530 kilometres makes it a bit too small to be counted ...
Space Exploration
Apr 21, 2015
0
88
At last, a theory about why Denver is a mile above sea level
Geologists may finally be able to explain why Denver, the Mile High City, is a mile high: water.
Earth Sciences
Mar 13, 2015
6
809
Is iron rain the reason why Earth and the moon are so different?
New experiments show that the asteroids that slammed into Earth and the moon more than 4 billion years ago were vaporised into a mist of iron. The findings, published in Nature Geoscience, suggest that the iron mist thrown ...
Earth Sciences
Mar 03, 2015
2
24
Massive exoplanets may be more earth-like than thought: 'Super-earths' likely to have both oceans and continents
(Phys.org) —Massive terrestrial planets, called "super-Earths," are known to be common in our galaxy, the Milky Way. Now a Northwestern University astrophysicist and a University of Chicago geophysicist report the odds ...
Astronomy
Jan 07, 2014
5
0
Rare meteorites created in violent celestial collision
A tiny fraction of meteorites on earth contain strikingly beautiful, translucent, olive-green crystals embedded in an iron-nickel matrix. Called pallasites, these "space gems" have fascinated scientists since they were first ...
Space Exploration
Nov 15, 2012
4
0
Giant impact scenario may explain the unusual moons of Saturn
Among the oddities of the outer solar system are the middle-sized moons of Saturn, a half-dozen icy bodies dwarfed by Saturn's massive moon Titan. According to a new model for the origin of the Saturn system, these middle-sized ...
Space Exploration
Oct 17, 2012
2
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