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The Milky Way is not unusual

The first detailed cross-section of a galaxy broadly similar to the Milky Way reveals that our galaxy evolved gradually, instead of being the result of a violent mash-up. The finding throws the origin story of our home into doubt.

May 24th, 2021

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Searching for the origins of presolar grains

By analyzing the properties of argon-34, nuclear scientists calculated the ratios of various sulfur isotopes produced in both types of stellar explosions. This enables astrophysicists to determine whether specific presolar grains came from novae or supernovae.

May 19th, 2021

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'Europium stars' in the dwarf galaxy Fornax

A physics research team has discovered the highest ever observed europium content in stars. Europium is the key for understanding the formation of the heavy elements by the fast neutron capture process, the so-called r-process.

May 18th, 2021

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Deep oceans dissolve the rocky shell of water planets

High-pressure experiments show that the hidden oceans of water planets selectively leach magnesium from typical rock minerals at conditions of pressures of hundred thousand atmospheres and temperatures above one thousand degrees Celsius.

May 18th, 2021

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