Mars Magnetic Field and Atmosphere Quiz

What recent development has allowed researchers to map the electric currents around Mars?

• Data from the International Space Station

• Data from the Mars Rover

• Data from NASA's MAVEN satellite

• Data from the Hubble Space Telescope

What drives Earth's magnetosphere?

• A thick atmosphere

• A solid iron core

• A rotating mass of molten iron

• A layer of liquid water

What is one theory about why Mars lost its atmosphere?

• A collision with another planet

• A series of volcanic eruptions

• A sudden increase in solar radiation

• A series of giant asteroid impacts

What evidence suggests Mars might have had a dynamo in only one hemisphere?

• Remnants of a stronger magnetic field in the southern hemisphere

• Presence of water in the northern hemisphere

• Higher temperatures in the southern hemisphere

• Thicker atmosphere in the northern hemisphere

What has NASA's InSight lander been measuring on Mars since 2018?

• The temperature of Mars' surface

• The strength and direction of Mars' magnetic field

• The speed of Mars' winds

• The amount of water in Mars' soil

What do scientists speculate about the sources of Mars' crustal magnetic fields?

• They are from the planet's atmosphere

• They are from rocks buried deep underground

• They are caused by current volcanic activity

• They are from the planet's core

What causes the 'pile-up' of the magnetic field in Mars' upper atmosphere?

• The rotation of Mars

• The presence of water vapor

• Electric currents induced by solar wind

• The planet's gravitational pull

What is the goal of NASA's MAVEN mission?

• To explore Mars' surface

• To map Mars' terrain

• To explore Mars' upper atmosphere

• To find water on Mars

What is a potential benefit of understanding Mars' magnetic field?

• It could help us find new minerals on Mars

• It could help us determine if Mars ever hosted life

• It could help us grow plants on Mars

• It could help us build structures on Mars

Which other planet, like Mars, lacks an intrinsic magnetic field?

• Jupiter

• Mercury

• Saturn

• Venus