Shared Flashcard Set

Details

Tufts Astronomy Magnetic Fields
Lang Midterm - Magnetic Fields
11
Astronomy
Undergraduate 1
10/20/2009

Additional Astronomy Flashcards

 


 

Cards

Term
Magnetosphere Shape?
Definition
Bow shock on day side and magnetotail on night side
Term
Magnetosphere caused by?
Definition
Currents inside planet, dynamo action – liquid metal cores, Uranus and Neptune internal shells of ionized water
Term
Planets with Auroras?
Definition
Earth, Jupiter, Io, Saturn
Term
Auroras caused by?
Definition
High energy electrons funneled by magnetic fields into polar atmosphere
Term
Auroras viewed from space?
Definition
Form an oval centered on magnetic poles
Term
Dipole Magnetic Field?
Definition
With magnetic field lines connecting north and south
Term
Planets with Magnetic Field?
Definition
Mercury, Earth, Jupiter, Saturn, Uranus, Neptune
Term
Planets without Magnetic Field?
Definition
Venus, moon, Mars
Term
Earth's Magnetic Field?
Definition
Magnetic dipolar field, poles flip
Term
Jupiter's Magnetic Field?
Definition
Magnetic dipolar field, radio broadcasts
Term
Uranus and Neptune's Magnetic Fields?
Definition
Magnetic dipolar field, big tilt, caused by internal shells of ionized ice
Supporting users have an ad free experience!