A massive solar flare could seriously disrupt life on Earth – but new NASA missions and others in development will help monitor the Sun.
Articles on Coronal mass ejection
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The Sun is a complex physical body. It generates incredible amounts of heat and a strong, often tangled, magnetic field.
There’s a pressing need to understand and respond to what’s known as “space weather”.
Four big outbursts from the Sun mean skies may light up much further from the poles than usual.
From communications outages to a brush with nuclear war, solar events like flares and coronal mass ejections have shaped human history.
Unprecedented simulations show the formation of space tornadoes capable of causing strong geomagnetic storms around Earth, calling for earlier and more accurate warnings.
Studying the Sun helps researchers understand how space weather can affect technology back on Earth.
As more satellites are launched into orbit, space agencies are looking at how to predict space weather events that could harm them.
While geomagnetic storms can lead to gorgeous aurora displays, they can also damage satellites and GPS.
Geomagnetic storms occur fairly often. Minor ones happen multiple times per year.
Extreme solar storms could play havoc with technological infrastructure.
The Sun will be at its most explosive right around the time NASA plans to put people back on the Moon.
Solar storms can play havoc with electrical grids, satellites and railway lines.
We’re currently a few years into the 25th studied solar cycle. An 11-year period of sun activity, this solar cycle is more active than previously expected.
NASA, NOAA and SpaceWeather say a coronal mass ejection will reach Earth this week. It has the potential to knock out communications in some parts of the world.
Every few centuries the Sun blasts the Earth with a huge amount of high-energy particles. If it were to happen today, it would wreak havoc on technology.
Space weather can affect satellites in a number of different ways, from frying electronics to increasing drag in the atmosphere.
Has the Sun entered a stage of old age?
The Lagrange mission could greatly improve forecasts of space weather.
The Earth’s magnetic field lines whistle after solar outbursts.
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Professor of Physics, UCL
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Research Scientist, Laboratory for Atmospheric and Space Physics, University of Colorado Boulder
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Assistant Research Scientist in Climate and Space Sciences and Engineering, University of Michigan
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Assistant Clinical Professor of Electrical Engineering, Mississippi State University
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