News tagged with earth

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How ancient impacts made mining practical

About 1.85 billion years ago, in what would come to be known as Sudbury Canada, a 10 kilometer wide asteroid struck with such energy that it created an impact crater 250 kilometers wide. Today the chief industry of Sudbury ...

Sep 23, 2014
4.3 / 5 (9) 0

Learning at 10 degrees north

Secluded beaches, calypso music and the entertaining carnival are often what come to mind when thinking of the islands of Trinidad and Tobago. But Dal Earth Sciences students might first consider Trinidad's ...

Oct 01, 2014
not rated yet 0

Can light orbit a black hole?

Since black holes are the most powerful gravitational spots in the entire Universe, can they distort light so much that it actually goes into orbit? And what would it look like if you could survive and follow ...

Mar 25, 2014
4.5 / 5 (46) 89

What happens when the poles flip?

Have you heard the startling news that the Earth's poles might flip? Perhaps in the response to a close pass from the mysterious Planet X? Are you imagining the entire Earth actually flipping over on its ...

Mar 21, 2014
2.9 / 5 (48) 13

How many moons does Venus have?

There are dozens upon dozens of moons in the Solar System, ranging from airless worlds like Earth's Moon to those with an atmosphere (most notably, Saturn's Titan). Jupiter and Saturn have many moons each, ...

Apr 23, 2014
4.2 / 5 (15) 5

Cracker-sized satellites launch into orbit

(Phys.org) —After years of planning and several last-minute delays, about 100 Cornell-developed mini satellites demonstrating space flight at its simplest have launched into orbit and are now circling Earth.

Apr 25, 2014
4.7 / 5 (7) 4