The Carl Sagan Memorial station is on Mars.

Keep practicing — related questions

• Human beings have set foot on Mars
• Have human beings ever set foot on Mars
• Have human beings ever set foot on Mars?
• Have humans ever walked on Mars?
• There is a town named Mars in Pennsylvania.
• There are spacecraft observing the Sun right now.
• Mars is now geologically active planet (ie has tectonic activity)
• True or False: Mars is called the "Red Planet"