SpaceLiner is a revolutionary hypersonic space plane concept capable of flying some 50 passengers across the globe at speeds of up to 25 times the speed of sound.The SpaceLiner is a result of 10 years of ongoing research by the Space Launcher Systems Analysis (SART) department at the Institute of Space Systems in Bremen.  The hypersonic jet would be made up of a booster and a passenger stage, which separate after being propelled into the mesosphere. However, according to SART’s estimates SpaceLiner flights are still a few decades away, maybe as much as 30 years. Read More>>