Earth's inner core is slowing down; could affect the planet's magnetic field, says new study
By analyzing seismic waves from earthquakes from the 1960s, researchers from Peking University deduced that the Earth's inner ...
IFLScience2d
Russell-McPherron Effect: Why "Cracks" In Earth's Magnetic Field Mean We Get Peak Auroras At Equinox
Most of the time, the Earth and Sun’s magnetic fields are misaligned, leaving our planet’s field less open to the aurora-causing effects of the solar wind. However, towards the equinox, the two fields ...
Ancient Asteroid Unlocks 4.6-Billion-Year-Old Magnetic Secrets of the Solar System
A weak magnetic field likely attracted matter inward, contributing to the formation of the outer planetary bodies, from ...
Earth.com1d
Electron activity in auroras will help us understand space weather
The Analyzer for Cusp Electrons (ACE) is designed to measure electron activity in the region of the northern magnetospheric ...
Four small planets discovered around one of the closest stars to Earth—an expert explains what we know
Barnard's Star is a small, dim star of the type that astronomers call red dwarfs. Consequently, even though it is one of the ...
Northern Lights: why weeks around the equinox brings a better chance to see it
Spring equinox may be the best time to see the aurora with a peak in solar activity combining with a special effect.
Astronomy on MSN2d
Why so many spacecraft carry magnetometers
Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...
NASA’s Next Mission Could Finally Solve the Mystery of Our Solar System’s Edge
The heliosphere, a cosmic bubble formed by the Sun, protects our solar system from interstellar threats and influences life's ...