Billionaire Dennis Tito has revealed his scheme for dispatching two astronauts to the red planet as early as December 2017, saying that 'rare alignments' of planets should be exploited as the context of the project. 'Inspiration Mars' would be a 501-day US mission to the planet without landing on its surface and would take the opportunity of a rare alignment of Mars and earth so that the mission would require minimal rocket fuel, according to a report released on Wednesday. Two separate trips would be necessary for the Mars Mission - Tito proposed that the first launch would involve a...