Tag Archives: solar radiation

Solar storm bathes Mars in radiation as auroras flicker across Red Planet skies (video)

The solar storms that produced the stunning auroras seen around the world on May 10 also gave Mars whiplash, sparking auroras over the Red Planet and doused the surface with harmful radiation. The main source of solar storms was an active region. AR3664It was a dense knot of magnetic flux on the sun, inhabited by… Read More »

Severe geomagnetic storm alert issued for first time in 19 years

A severe G4 geomagnetic storm could emerge as early as Friday, prompting NOAA officials to trigger a storm of that magnitude for the first time in nearly 20 years. The hour comes after days of solar activity that sent several bursts of plasma and magnetic fields toward Earth. G4s are the second strongest form of… Read More »

Why do some clouds disappear during a solar eclipse?

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. It’s noon and the sun is high in the sky, a natural cyan canvas covered with puffy cauliflower-shaped clouds. With the slightest warning, the clouds covering the horizon begin to disappear before your eyes. Soon… Read More »

Why do some clouds disappear during a solar eclipse?

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. It’s noon and the sun is high in the sky, a natural cyan canvas covered with puffy cauliflower-shaped clouds. With the slightest warning, the clouds covering the horizon begin to disappear before your eyes. Soon… Read More »

What to expect during a total solar eclipse in April?

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. Those who look at the sky A total solar eclipse will occur across North America on April 8 over Mexico, the United States, and Canada. The event will be visible to millions of people, including… Read More »

What to expect during a total solar eclipse in April?

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news about fascinating discoveries, scientific advancements and more. Those who look at the sky A total solar eclipse will occur across North America on April 8 over Mexico, the United States, and Canada. The event will be visible to millions of people, including… Read More »

Could a Giant Umbrella in Space Help Solve the Climate Crisis?

It has come to this point. With the Earth at its hottest point in recorded history and humans doing their best to stop it from overheating, a growing number of astronomers and physicists are proposing a potential solution that could leap from the pages of science fiction: giant beach umbrellas floating in space. The idea… Read More »

These scientists want to put a giant ‘sunshade’ into orbit to help fight climate change

A group has been formed to study and promote a space-based sunshade to help combat global climate change. The idea has been discussed for years, but the Planetary Sunshade Foundation has produced articles supporting the concept and highlighting the practicality of the approach. A planetary sunshade may be the best solution for solar radiation management,… Read More »