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The sun is at its 11-year maximum. That means another year of eruptions that can endanger satellites, ground flights, and spark stunning auroras.

Wed, 10/16/2024 - 12:59

purple sun sphere with bumpy bright spots including a giant bright flare in the middle — The sun emits the largest solar flare of this 11-year cycle, as imaged by NASA's Solar Dynamics Observatory on October 3.
NASA/SDO

Science, NASA, Sun, aurora, solar-storms, northern-lights, aurora-borealis

NASA video shows the sun just blasted out 4 eruptions at the same time. The rare event may have sent plasma hurtling toward Earth.

Wed, 04/24/2024 - 12:52

blue telescope view of the sun in space with pink arrows pointing to three bright spots and one darker spot with wavy lines — Eruptions appeared in four spots on the sun at the same time.
NASA Solar Dynamics Observatory

Science, Sun, solar-flares, Eruptions, space-weather, aurora-borealis, northern-lights

8 rare phenomena to watch for during next week's total solar eclipse

Fri, 04/05/2024 - 19:37

A partial solar eclipse with a crescent sun against a red background and windmills in the foreground — Evan Zucker

Science, solar-eclipse-2024, total-solar-eclipse, eclipse, moon, Sun, solar-flares

The most powerful solar eruption in years fired a powerful 'X-class' solar flare that just hit Earth, and scientists are monitoring for more possible outbursts

Fri, 12/15/2023 - 12:40

A flare is shown on the surface of the sun. — The sun is growing more active.
NASA/SDO

Science, Sun, solar-maximum, solar-flares, Radio, Communication, NASA

A powerful solar eruption headed for Earth could trigger a strong geomagnetic storm by Friday and stunning aurora across Canada

Thu, 11/30/2023 - 17:14

Solar flare seen on sun taken by NOAA satellites. — A large solar flare erupted from the sun earlier this week generating a powerful explosion directed toward Earth.
NOAA Satellites

Science, speed-desk, aurora-borealis, geomagnetic-storm, solar-flares, northern-lights, Space

Images from the Solar Orbiter spacecraft reveal tiny flares shooting from a 'hole' in the sun. They could explain how the sun blasts Earth with charged particles.

Sat, 08/26/2023 - 05:28

mosaic of square of bright yellow solar surface with dark shadowy jets shooting across — Snapshots of small jets, or "picoflares," on the sun, from the Solar Orbiter mission operated by NASA and ESA.
ESA & NASA/Solar Orbiter/EUI Team; acknowledgement: Lakshmi Pradeep Chitta, Max Planck Institute for Solar System Research, CC BY-SA 3.0 IGO

Science, News, Sun, NASA, solar-flares, coronal-hole, solar-orbiter

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