basic info
Mars is known as the “___ Planet”
Red Planet
The largest volcano in the solar system, located on Mars, is called what?
Olympus Mons
What gas makes up about 95% of Mars’s thin atmosphere
CO2
NASA’s first successful landers on Mars were part of what mission in the 1970s
Viking missions
The biggest challenge for humans on Mars is the lack of what breathable gas
oxygen
Mars is the ___ planet from the Sun
fourth
The enormous canyon system on Mars is known as what
Valles Marineris
The white areas seen at Mars’s poles are made mostly of this frozen substance
water ice ( some dry ice)
This twin rover mission launched in 2003, with one named Spirit and the other what
Opportunity
To grow food on Mars, astronauts would need to create what controlled environment
greenhouse or habitat dome
A day on Mars is about how long compared to Earth’s
roughly the same, about 24.6 hours
True or False: Mars once had liquid water flowing on its surface
TRUE
What kind of storm can cover the entire planet for weeks
dust storm
The Curiosity rover landed in 2012 inside this large crater
Gale Crater
The process of changing Mars’s environment to make it more Earth-like is called what?
terraforming
How many moons does Mars have?
two
dried river valleys and minerals suggest what about Mars’s past
Mars had a warmer and wetter climate
Because its atmosphere is so thin, liquid water on Mars would do what
evaporate or freeze
The Perseverance rover carries this small helicopter companion
What is Ingenuity
Solar radiation is dangerous on Mars because it lacks what protective layer Earth has?
magnetic field (or ozone layer)
Mars’s gravity is about what fraction of Earth’s gravity
one-third
Scientists believe Mars lost its magnetic field because it cooled and its ___ stopped moving
molten core
Scientists look for this form of underground water that could still support life
subsurface ice or briny liquid water
One of Perseverance’s main goals is to collect and store samples for what future purpose
to return to Earth by a future mission
Scientists believe that one day, humans could live underground or in domes to protect against this
radiation and extreme temperature swings