liquid core
liquid core. apex said so. other dude is wrong :(
Mercury
Jupiter. I mean it has the strongest gravitational field. It has the greatest magnetic field as well.
Saturn
Uranus.
Planets that have a magnetic field have: 1) Contains magnetic material like iron, ionized gases, hematite, or magnetite. 2) Has a magnetic current going thru the material. If the planet does not contain enough magnetic material or the material does not have enough magnetic current, there is no magnetic field.
liquid core
Liquid core
Liquid Core Source: k12 Biology Unit 2 Quiz.... ;)
no
Mars has a magnetic field.
Most importantly to us, the earth has a permanent magnetic field.
The magnetic force on Earth is called Earth's magnetic field or also the geomagnetic field.
Planet Earth
Jupiter
Yes, Uranus has a magnetic field. A nice diagram is posted in the Wikipedia article on this chilly blue planet's magnetic field, and a link is provided.
The size and fluidity of the core of the planet.
Venus has neither.