Some social media users questioned the Mars rover’s £2.05billion ($2.9billion) price tag while others bizarrely claimed the landing was an elaborate hoax.
Others, including UFO hunter Scott C Waring, accused NASA of not being entirely upfront and honest about the mission.
Perseverance has already beamed back tens of thousands of pictures back to Earth, snapped during its descent and after landing.
Some of the initial photographs ... Read even more
