Twitter Trends
The NASA Nanosail-D is the first solar vehicle in the history of humanity to orbit the earth.

At 400 miles above the earth, the NASA Nanosail-D is a forerunner for generations of solar satellites to come and has proven to be both remarkably efficient and reliable. The satellite will orbit the Earth continuously until it eventually re-enters the earth's atmosphere to be disintegrated, but NASA already has bold ambitions for a host of future vehicles with similar technology on the way.