New insights into centre of the Earth

User rating: 4.4 / 5 after 30 vote(s)

Model of seismic waves travelling through the Earth. Photo by James Wookey
Model of seismic waves travelling through the Earth. Photo by James Wookey

A new observation of the very deepest part of the Earth, the solid inner core, has been reported this week in Nature. The team from the University of Bristol also observed intriguing evidence of a ‘texture’ in the solid iron that may reflect the patterns left as the swirling liquid iron of the outer core freezes to form the inner core.


Full story »
All News summaries from Space & Earth science news
All News summaries for August 15, 2008

NASA Invites Students to Name New Mars Rover

11 hours ago | User rating: not rated yet
(PhysOrg.com) -- NASA is looking for the right stuff, or in this case, the right name for the next Mars rover. NASA, in cooperation with Walt Disney Studios Motion Pictures' movie WALL-E from Pixar Animation ...

Astronaut outside space station loses tool bag

11 hours ago | User rating: not rated yet
(AP) -- A spacewalking astronaut whose grease gun erupted in a backpack-sized tool bag accidentally let go of the tote outside the international space station Tuesday, and it floated off along with everything ...

Calif. utilities must use 33 percent renewable energy for power generation by 2020

11 hours ago | User rating: not rated yet
California utilities, already struggling to meet a law requiring more renewable energy, saw the bar raised even higher Monday.

Global warming predictions are overestimated, suggests study on black carbon

12 hours ago | User rating: not rated yet
(PhysOrg.com) -- A detailed analysis of black carbon -- the residue of burned organic matter -- in computer climate models suggests that those models may be overestimating global warming predictions.

Scientists discover new planet orbiting dangerously close to giant star

12 hours ago | User rating: not rated yet
A team of astronomers from Penn State and Nicolaus Copernicus University in Poland has discovered a new planet that is closely orbiting a red-giant star, HD 102272, which is much older than our own Sun. The ...
Goto Archive PhysOrg Forum Goto Archive Video Goto Archive Editorials Goto Archive Free Magazines Goto Archive Newsletter

News Archive