A quartet of satellites flying through Earth's magnetic field measures its interaction with the Sun's and puts a theory about their reconnection to the test.
the Sun
Posted inResearch Spotlights
Sun's Magnetic Field Impacts Earth's Thunderstorms
Lightning strikes are more frequent when Earth encounters a polarity switch in the solar magnetic field.
Posted inNews
Physics Nobel Winners Also Solved Solar Mystery
Although they won the prize for showing neutrinos have mass, the two Nobel-winning physicists also solved a long-standing mystery of solar neutrinos.
Posted inResearch Spotlights
New Ionosphere Model Incorporates Solar Angles
The decades-old theory of the layers of the Earth's ionosphere, which dates to 1931, has just received an update that takes into account the angle of the Sun.
Posted inResearch Spotlights
What Causes Sunspot Pairs?
Analysis of magnetic fields on the Sun's surface offers a new clue on why sunspots appear.
Posted inResearch Spotlights
Can Scientists Boost Solar Modeling Despite a Lack of Data?
Researchers show that a data processing technique could salvage useful information from raw solar observations, opening the door to improved understanding of the solar dynamo.
Posted inScience Updates
The Impact of Coronagraphs
Observations of the Sun’s extended atmosphere with coronagraphs have become indispensable to both basic and applied research.
Posted inResearch Spotlights
Low Heliosphere Pressure Drives Wide CMEs in Weak Solar Cycles
Why are coronal mass ejections from the current solar cycle wider than others? Researchers investigate.