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The Sun is continuing its rowdy behavior, with flares and coronal mass ejections almost every day since mid-January. That means the inevitable has happened: some of those eruptions have blasted in the general direction of Earth, which means we’re in for some solar storms. The Space Weather Prediction Center of the US National Oceanic … Read more
A well-studied solar phenomenon may not be quite as simple as we we thought it was. New simulations suggest that what we thought were loops of plasma known as coronal loops erupting out from the surface of the Sun along magnetic field lines may, at least sometimes, be wrinkles in corrugated sheets of plasma. … Read more
A new telescope taking on the task of staring at the Sun has delivered incredible new images of solar activity. The US National Science Foundation’s Daniel K. Inouye Solar Telescope commenced science operations for the first time on Wednesday 23 February 2022. It’s the largest solar telescope in the world, and its high-resolution observations of … Read more
After a series of eruptions on the Sun, Earth may be in for auroras over the next few days. A sunspot called AR2929 has emitted two solar flares, accompanied by coronal mass ejections. Although neither was directed at Earth, the ejections that are currently blasting through space may deliver glancing blows to our planet’s atmosphere that … Read more
A new video of solar streamers evokes the streaking stars seen during spacecraft hyperdrives in “Star Wars.” The new NASA video from the Parker Solar Probe shows these mysterious sun structures up close for the first time, flowing past the spacecraft like interstellar fireflies. Previously, we could only catch a glimpse of streamers during solar … Read more
In the search for “potentially-habitable” extrasolar planets, one of the main things scientists look at is stellar activity. Whereas stars like our own, a G-type (G2V) yellow dwarf, are considered stable over time, other classes are variable and prone to flare-ups – particularly M-type red dwarf stars. Even if a star has multiple planets … Read more
A coronal mass ejection from the star EK Draconis was 10 times larger than any we have seen on our own sun Space 9 December 2021 By Chen Ly A coronal mass ejection on the sun photographed by NASA’s Solar Dynamics Observatory NASA Goddard Astronomers have seen a huge cloud of plasma erupting from the … Read more