News tagged with object

Image: Tunguska devastation

Fallen trees at Tunguska, Imperial Russia, seen in 1929, 15 km from epicentre of aerial blast site, caused by explosion of a meteor in 1908 (Photo N. A. Setrukov, 1928).

dateJun 07, 2018 in Space Exploration
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What it takes to discover small rocks in space

Once every month, on average, somewhere on Earth a fireball appears out of nowhere and for mere seconds, casts a blinding flash across the sky before it blows up in a thunderous explosion. It happened last Saturday over southern ...

dateJun 07, 2018 in Space Exploration
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Tracking the threat of asteroids and comets

In 1994, astronomers watched in awe as the comet Shoemaker-Levy 9 crashed into the planet Jupiter, creating massive fireballs exploding with the force of six million megatons of TNT—equivalent to 600 times the world's nuclear ...

dateMay 14, 2018 in Space Exploration
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Improving 3-D printing of plastic parts

Robots that can build homes, marathoners' running shoes and NASA's upcoming spacecraft all have one thing in common: 3-D printed parts. But as enthusiasm for 3-D printing continues to grow and expand across markets, the objects ...

dateMay 02, 2018 in Materials Science
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