Toward the end of the twenty first century, humanity establishes space colonies throughout the Solar System. A settlement on Titan, a city on Mars and thriving asteroid-belt mining facilities. Then, Earth experiences a global catastrophic collapse. No chance to resupply! Can the space colonies survive? -Ten stories -Eight Honorable Mentions in Writers of the Future contest -Six originals -Four previously published -One Prix Aurora Awards finalist -Zero. All engines running. Liftoff! We have a liftoff ... Will humanity reach Escape Velocity?