
While the Voyager space crafts have crossed the heliosphere, neither are expected to emerge from the confines of the Solar system for at least another 14,000 years.

In 536 A.D, the Earth experienced what is believed to have been multiple comet impacts that enshrouded the planet in dust for a year.

The U.S. Commercial Space Launch Competitiveness Act grants US citizens resource rights to celestial bodies. If you can put a mining operation on an asteroid, you stand to make a fortune.