solar phenomena
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Researchers Spot ‘Aurora’ Above Sunspot
Radio emissions detected about 40,000 kilometres above a dark region on the Sun have aurora-like qualities, according to a team of astronomers that studied the emissions. The emissions were seen above a sunspot— a dark region on the Sun’s surface. Magnetic fields around sunspots are about 2,500 times stronger than Earth’s, according to the National…
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NASA Spacecraft Will Reunite With Earth After 17 Years of Studying the Sun
For the past 17 years, a lone spacecraft has been following Earth’s tracks in its orbit around the Sun and capturing unprecedented views of our host star. Now, STEREO-A has finally caught up with its home planet, lapping us in our cosmic trail and meeting the Earth for a brief rendezvous. On Saturday, NASA’s STEREO-A…
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Unprecedented Image Captures Freakishly Large Solar Eruption
The Solar Orbiter spacecraft had a front-row view this week of the Sun giving out an unusually large belch, resulting in a one-of-a-kind image.
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Missions to Mars Shouldn’t Exceed Four Years Due to Radiation Risks, Scientists Say
An international collaboration of scientists say it’s safe for astronauts to fly to Mars and back, provided the length of the mission does not exceed four years and that crewed flights to the Red Planet coincide with a well-known solar cycle.