After the second docking was completed, Shenzhou-8 separated again from Tiangong-1 and then returned to Earth.

FORBES: Chinese Docking Mission A Success; Shenzhou-8 Returned To Earth

The X-37B Orbital Test Vehicle is led by the Air Force Rapid Capabilities Office, and is designed to demonstrate reusable spacecraft technologies for America's future in space and operating experiments which can be returned to, and examined, on Earth.

ENGADGET: USAF relaunches its first X-37B on a slightly less mysterious spaceflight

The telescope mission has more than one Achilles' heel: it cannot be serviced by astronauts, as Hubble was, once it is in space, and it cannot be returned to Earth once it is launched.

CNN: Collins

The problem NASA has faced is that since the Eagle landed on the moon and Apollo 11 returned safely to the earth the American people lost interest in our manned space program.

FORBES: Who Says America Is Falling Behind In The Space Race?

Countless shuttle missions have ventured beyond Earth's borders and returned safely to the home we all share.

CNN: 'The era of big government is over'

Even if the Nasdaq as a whole returned to Earth, smart money would keep searching for innovation in software, chips, radios, glass and genes.

FORBES: Rational Exuberance