learn about viking missions!
what is a viking mission
it is a mission that they send robots that they call vikings. they send them to mars and one is called the orbiter and the other one is the lander. the mission was really successful and made most of the info about mars from the late 1990's to the early 2000's. the orbiter is designed to take pictures of the surface of mars. the lander is designed to study the planet from the surface of it. this mission was the most expensive mission, it costed the US $1 billion. the last info from viking 2 came to earth on april 11, 1980.