10 Most-Terrifying Space Weapons

3. Orbital Nuclear Explosions

Hiroshima and Nagasaki in August 1945 proved how devastating the impact of a nuclear explosion could be, but tests in the American desert had already highlighted this to the US military. Nuclear tests have since been carried out in deserts across the planet, in the middle of oceans - and even in space.

Yes, atomic bombs have been exploded anywhere between 18miles and 340miles above the Earth's surface in order to determine the effects of their blasts and the subsequent radiation levels left behind. Beginning in 1958, the US was the first nation to test a nuclear weapon in outer-space, while the USSR followed suit within the next decade.

The picture above is taken in Honolulu, Hawaii, and shows the debris left in the skyline by the US' Starfish test in July 1962. Sending nuclear bombs into space to blow-up the spacecraft and satellites of other nations - and possibly even planets - seems to be a very-real possibility after all...