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The article discusses the mapping of solar flares by European and U.S. astronomers. European astronomers combined data from the European Southern Observatory's Very Large Telescope and the European Space Agency's XMM-Newton...
Star: Creates Main-Sequence stars like the sun, dwarfs and giants. The fluid simulation creates a system of convective cells on the surface, solar flares and cold zones. Star Anomaly: Generates stars surrounded by a disk of gas and dust. The disk comes with color, radius and opacity paramet...
The Sun’s atmosphere, or corona, can reach a bubbling 3.6 million degrees F (2 million degrees C), and can unpredictably fling out streams of high-energy particles at near light-speed. Called solar flares, these bundles of charged particles accelerate along curved magnetic field lines toward ...
Trillions of icy bodies mark the edge of the solar system. They form a shell that extends one or two light-years from the Sun in every direction. A passing star may sometimes give some of them a nudge toward the Sun. When they get here, they become comets – visitors from the icy de...
Accelerated particles either stream down into the dense atmosphere of the Sun, producing HXR/γ-rays, or stream up into the tenuous solar corona and into interplanetary space. However, in confined flares, where particles do not escape to the middle and high corona [1], the acceleration region...
On the sun, flares may be accompanied by towering loops of plasma, known as prominences, that can rise tens of thousands of miles above the sun's surface. If this solar plasma launches quickly enough, it can break free of the sun and become a coronal mass...
The dwarf star, which lies 53 light-years from Earth, has an intrinisic brightness just 0.02 percent that of our own much larger sun. But the dwarf still manages to unleash dazzlingly bright flares comparable in energy to the most powerful solar flares that erupt from our star, a new study...
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"The Sun's magnetic field is very important in funneling hot plasma, an ionized gas, close to its surface," says Hendry in an email. "We see these huge ribbons of hot gas as prominences, and they can be the cause of violent eruptions known as solar flares that send large amounts of...