14 February 2021, 12:58 pm EST By NASA Perseverance on Mars ( Youtube/ NASA Jet Propulsion Laboratory ) NASA's Mars rover Perseverance, a robotic astrobiology lab that is packed inside a space capsule, has hit the final stretch of its journey from Earth for seven month this week. The rover is set to emit a radio alert as it gets into the thin Martian atmosphere. By the time that the radio alert signal reaches mission manages 127 million miles or 204 million km away at the Jet Propulsion Laboratory or JPL near Los Angeles, California, the rover will have landed on Mars and experts are hoping it will land in one piece.