China launched a satellite this month that may be the key to a successful manned Mars mission and eventual colonization of the red planet beating out a similar NASA system scheduled to launch next year.

The world’s first X-ray navigation satellite acts like a GPS guidance system for spacecraft traveling beyond low Earth orbit and is intended to help China put rovers on the moon and Mars.

The X-ray Pulsar Navigation 1 (XPNAV) satellite measures radiation emitted by pulsars to pinpoint the exact location of a spacecraft, John Pye, manager of the Space Research Centre at the University of Leicester, told VICE News.

Read more