News tagged with magnetosphere

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Cassini Captures Ghostly Dance of Saturn's Northern Lights (w/ Video)

Nov 24, 2009 | 4.9 / 5 (9) | 1

(PhysOrg.com) -- In the first video showing the auroras above the northern latitudes of Saturn, Cassini has spotted the tallest known "northern lights" in the solar system, flickering in shape and brightness ...

Rosetta approach on schedule

Space & Earth / Space Exploration

Nov 06, 2009 | 5 / 5 (1) | 0

(PhysOrg.com) -- After the trajectory correction manoeuvre on 22 October, Rosetta has lined up on a near-perfect Earth approach path. The manoeuvre was so precise that mission controllers decided not to use ...

New Transient Radiation Belt Discovered at Saturn

Space & Earth / Space Exploration

Sep 14, 2009 | 5 / 5 (4) | 0

Scientists using the Cassini spacecraft's Magnetospheric Imaging instrument (MIMI) have detected a new, temporary radiation belt at Saturn, located around the orbit of its moon Dione at about 377 000 km ...

The Earth's magnetic field remains a charged mystery

Space & Earth / Earth Sciences

Jun 15, 2009 | 4.7 / 5 (26) | 20

400 years of discussion and we’re still not sure what creates the Earth’s magnetic field, and thus the magnetosphere, despite the importance of the latter as the only buffer between us and deadly solar wind ...

Watching solar activity muddle Earth's magnetic field

Space & Earth / Space Exploration

Apr 29, 2009 | 4.5 / 5 (2) | 4

(PhysOrg.com) -- Scientists have found that extreme solar activity drastically compresses the magnetosphere and modifies the composition of ions in near-Earth space. They are now looking to model how these ...

Researchers identify new region of the magnetosphere

Space & Earth / Earth Sciences

Dec 12, 2008 | 4.8 / 5 (13) | 0

A detailed analysis of the measurements of five different satellites has revealed the existence of the warm plasma cloak, a new region of the magnetosphere, which is the invisible shield of magnetic fields ...