The magnetic fields in all planets are generated by the dynamo effect, caused by rapidly rotating and conducting material flowing in the interiors of the planets. we have just seen that all four of the jovian planets have magnetic fields. earth also has a planetary magnetic field, but venus does not, although it is very similar to earth in mass. which of the following would be a reason why venus does not have a magnetic field?

Which of the following characteristics of earth's relationship to the sun explains the existence of earth's seasons? choose all that apply. earth has a satellite called the moon, which rotates around earth. earth spins on its axis, completing one rotation each day. earth's axis always points in the same direction relative to the stars. earth's axis is tilted relative to its orbital plane. earth orbits around the sun, completing one orbit each year.