Alex will visit Cape Canaveral Air Force Station to witness the launch of the rover and will always be associated with this mission.
With more than 28,000 essays submitted, one winner will get to watch the launch live from Cape Canaveral.
If successful, Mars 2020 will mark NASA’s fifth Martian rover to carry out a soft landing.
The interplanetary-themed weekend also brought news from Elon Musk, who unveiled the SpaceX Starship shuttle for crew and cargo trips to Mars and back.
The rover weighs roughly 570 kgs and travels at a leisurely speed of 20 centimetres per second here on Earth.
The Lambahraun lava field in Iceland has been chosen to prepare the rover for Mars' surface.
The helicopter is meant to test whether air travel is possible on Mars if controlled by people from Earth.
The Mars 2020 rover & helicopter are scheduled to launch in June 2020 & touchdown on Mars in Feb 2021.
Samples from the area will revolutionize how we understand Mars & its ability to harbour life: NASA.