19 August 2020
Growing 'dent' in Earth's magnetic field poses problems for satellites
... disrupt satellites and spacecraft say the space agency. Earth’s magnetic field is vital to life on our planet. The electrical currents...to harmful radiation. Over the last 200 years, the magnetic field has lost around 9 percent of its strength on a...
10 May 2016
When sunspots are minimal, the solar magnetic field is at a maximum, say researchers
...phase - a period of unusually low solar activity – the Sun’s magnetic field is actually at a maximum and that it may hide at the... see below the surface. During the Maunder Minimum, the magnetic field sinks to the bottom of the convection zone and is ...
26 July 2017
Cassini finds surprises for Saturn's magnetic field
... of the spectacular ringed planet has no discernible tilt, a finding that is at odds with scientists' theoretical understanding of how magnetic fields are generated. The discovery also means that the true length of Saturn's day is still unknown. The...
02 December 2016
GREGOR helps scientists take a closer look at the Sun
...visible and near-infrared wavelengths and its primary scientific goal is high precision measurements of the solar magnetic field. With a spatial resolution of some 50 km, it means that the telescope can distinguish details on the solar surface if the...
26 May 2017
First results from Juno mission
...'s dynamo works,” said Jack Connerney, Juno deputy principal investigator and the lead for the mission's magnetic field investigation at NASA's Goddard Space Flight Center in Greenbelt, Maryland. At the moment, Juno will be flying around Jupiter...
12 October 2016
Proxima Centauri reveals yet more intrigue as a cycle of dramatic sunspots is observed
...habitability of Proxima b is unknown. Some theories have already been proposed including that a stellar wind or flares driven by magnetic fields, could strip away any atmosphere of the planet leaving its surface barren. However proving this is a long...
