Where on Earth is the greatest purely vertical drop?
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Mount Thor, officially gazetted as Thor Peak, is a mountain in Auyuittuq National Park, on Baffin Island, Nunavut, Canada. The mountain is located 46 km northeast of Pangnirtung and features the Earth's greatest purely vertical drop at 1,250 m, with an average angle of 105 degrees.
On the Earth, how long would a gravity train take?
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A gravity train is a theoretical means of transportation intended to go between two points on the surface of a sphere, following a straight tunnel that goes directly from one point to the other through the interior of the sphere. It would take 42minutes 10.3 seconds to fall through the earth Read more
Creatures from an alien civilisation are an everlasting source of fascination for movie-makers, who have attempted to imagine how an alien might look and behave. Try your hand at identifying some of their odder conceptions and the movies they came from - and click on to the following frame to see if you are right. Read more
What piece of artwork created by Belgian artist Paul Van Hoeydonck is to be found at Hadley Rille on the Moon?
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Fallen Astronaut is an 8.5 cm aluminium sculpture of an astronaut in a spacesuit which commemorates astronauts who died in the advancement of space exploration. It is currently at Hadley Rille on the Moon, having been placed there by the crew of Apollo 15. Read more