Friday, 25 July 2014

Sketchy Fact #50: Visiting the Neighbours

If you wanted to travel to the closest star to Earth (other than the sun) on the fastest space vehicle humans have ever built (240,000 km/h on Helios 2) the trip would take you 19,000 years. All the road-bingo in the galaxy wouldn’t make that trip bearable.

1 comment:

unknown said...

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