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APOLLO-PROGRAMMET

By Reidar Trønnes (2019)

Apollo-ferdene ga revolusjonerende ny innsikt i dannelsen av Jorda og naboplanetene. Den viktigste oppdagelsen var at kollisjonene og varmeutviklingen under planetveksten hadde vært så intens at planetene smeltet fullstendig. 

EXPLORING ALIEN WORLDS

By Stephanie Werner

What would happen if plate tectonics stops, the Earth loses her magnetic field, her atmosphere, or slows down her rotation? What would the Earth look like if our Sun had been different? Is there a better planet out there? For many of these questions we can find clues by studying our celestial neighbors.


The Scandinavian Caledonides

By Fernando Corfu

Today, India is converging and colliding with Asia and being pushed down, the doubling of the crust forming the high Himalayan Mountains. A similar process about 400 million years ago led to a major collision between the two large continents Laurentia and Baltica, also involving a number of smaller pieces of crust and volcanic chains. Their eventual assembly in the Caledonian mountains created a puzzle, which we geologists are trying to reconstruct by studying the individual pieces, searching for evidence concerning their history and origin, their travels and previous ties to other continents and tectonic plates. Where did they break away from? How did they end up in new associations?


EN REISE TIL JORDENS INDRE

By Trond Torsvik

I denne månedens geo-onsdag vil Trond Helge Torsvik fortelle om koblingen mellom platetektonikk og prosesser i den dype jorden.

THE LUSI ERUPTION

By Adriano Mazzini

Lusi is the largest erupting sediment-hosted hydrothermal system on Earth. The mud eruption displaced over 60.000 people and drowned several villages. Adriano Mazzini from CEED (Centre for Earth Evolutions and Dynamics) and the Lusi Lab Project aims to understand the dynamics and mechanisms of Lusi.


DEN STØRSTE MASSEUTRYDDELSEN

By Henrik Svensen

For 252 millioner år siden forsvant mer enn 90 prosent av livet på jorden. Hva vet vi egentlig om det som skjedde?