Video: Explaining Earth's magnetic field

November 25, 2013

An introduction to Earth's magnetic field: what it is, where it comes from and what it's used for.

A documentary video from the European Space Agency:

The video will load shortly

Explore further: Satellite Swarm prepares for take-off

Related Stories

ESA SWARMing Earth's magnetic field

November 25, 2013

ESA's three-satellite Swarm constellation was lofted into a near-polar orbit by a Russian Rockot launcher this afternoon. For four years, it will monitor Earth's magnetic field, from the depth of our planet's core to the ...

Physicists monitoring huge solar event (w/ Video)

November 11, 2013

(Phys.org) —The sun's magnetic field is poised to reverse its polarity. The effects of the event, which occurs every 11 years, will ripple throughout the solar system and be closely monitored by Stanford solar physicists.

Swarm launch postponed

October 31, 2013

The launch of ESA's magnetic field mission from Plesetsk, Russia, has been postponed by about a week.

Preparing to launch Swarm

September 20, 2013

With the launch of ESA's Swarm trio set for 14 November, the first satellite has arrived safely at the Plesetsk Cosmodrome in Russia. This new mission will unravel one of the most mysterious aspects of our planet: the magnetic ...

Recommended for you

Video: A colorful 'landing' on Pluto

January 20, 2017

What would it be like to actually land on Pluto? This movie was made from more than 100 images taken by NASA's New Horizons spacecraft over six weeks of approach and close flyby in the summer of 2015. The video offers a trip ...

Freeze-dried food and 1 bathroom: 6 simulate Mars in dome

January 20, 2017

Crammed into a dome with one bathroom, six scientists will spend eight months munching on mostly freeze-dried foods—with a rare treat of Spam—and have only their small sleeping quarters to retreat to for solace.

The evolution of massive galaxy clusters

January 20, 2017

Galaxy clusters have long been recognized as important laboratories for the study of galaxy formation and evolution. The advent of the new generation of millimeter and submillimeter wave survey telescopes, like the South ...

Image: Wavemaker moon Daphnis

January 20, 2017

The wavemaker moon, Daphnis, is featured in this view, taken as NASA's Cassini spacecraft made one of its ring-grazing passes over the outer edges of Saturn's rings on Jan. 16, 2017. This is the closest view of the small ...

1 comment

Adjust slider to filter visible comments by rank

Display comments: newest first

Expiorer
1 / 5 (3) Nov 25, 2013
now I know everything

Please sign in to add a comment. Registration is free, and takes less than a minute. Read more

Click here to reset your password.
Sign in to get notified via email when new comments are made.