Magnetars — the dense remains of dead stars that erupt sporadically with bursts of high-energy radiation — are some of the most extreme objects known in the universe. A major campaign using NASA’s Chandra X-ray Observatory and several other satellites…
Griffith Observatory is a Los Angeles-based facility that bills itself as the most-visited observatory in the world.
While many professional facilities are solely used by astronomers, Griffith has free public telescopes that are open each evening that the observatory and skies…
For years, scientists have struggled to determine why the sun’s atmosphere is more than 300 times hotter than its surface. But a new study has found a possible answer: giant super-tornadoes on the sun that may be injecting heat into the outer layers of our star.
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