News tagged with uppermost layer

The fate of exomoons

When a star like our sun gets to be very old, after another seven billion years or so, it will shrink to a fraction of its radius and become a white dwarf star, no longer able to sustain nuclear burning. Studying the older ...

dateMar 27, 2017 in Astronomy
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Image: Artificial eclipse

The sun experiences both calm and tempestuous periods of activity. At its most active, our star can fling out multiple bursts of particles in a single day in events known as coronal mass ejections, or CMEs. Particles within ...

dateDec 07, 2015 in Space Exploration
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Better protection for forging dies

Hard or tough - very often, the manufacturers of forging dies must make a compromise here. A new technology now makes it possible to combine both characteristics and clearly expand the useful life of forging dies. The scientists ...

dateNov 21, 2012 in Engineering
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