India's Mars mission blasted off successfully on Tuesday, beginning an 11-month journey. Some key facts about the mission include: 1) It launched on Mangalvaar, the Indian day of Mars; 2) The 1,350-kg orbiter weighs less than an average SUV; 3) At $73 million, it is much cheaper than comparable NASA missions which cost over $400 million; 4) It was completed in only 1.5 years compared to NASA's 5 years for a similar mission.