A researcher says he found a possible shortcut to Mars that would halve the time it takes to travel to the planet and back to less than a year.
Under the best circumstances, a trip from Earth to Mars and back would take a spacecraft three years to complete.
And that's during a very specific orbital alignment that occurs once every two years… [+4973 chars]
And that's during a very specific orbital alignment that occurs once every two years… [+4973 chars]