Mars rover landing: NASA warns only 40 percent of Mars missions have been a success
Landing on the Red Planet is an incredibly tough feat. Not least because of the signal delay - which takes 11 minutes to reach Earth - meaning various crafts have had to go in blind, away from human interference. NASA said: "Landing on Mars is hard. Only about 40 percent of the missions ever sent to Mars – by any space agency - have been successful. "Hundreds of things have to go just right during this nail-biting drop. Mars rover landing: NASA warns only 40 percent of Mars missions have been a success (Image: NASA) NASA Perseverance facts (Image: EXPRESS) "What’s more, Perseverance has t...