Proxima Centauri recently let loose a blast of radiation, and ground- and space-based telescopes detected the record-setting event at wavelengths ranging from radio to the ultraviolet.
Instruments and techniques
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1.3 Million Pairs of Stars Surround the Sun
Roughly half of Sun-like stars have a stellar sibling, and a surprising fraction of those siblings are identical twins.
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Forecasting Solar Storms in Real Time
Predicting when solar storms will hit Earth remains a tricky business. To help, scientists can now submit their forecasts of coronal mass ejections online as they unfold in real time.
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Giant Planets and Brown Dwarfs Form in Different Ways
Once thought to be part of the same population, planets larger than Jupiter and “failed stars” likely grow via different mechanisms, the Gemini Planet Imager Exoplanet Survey has shown.
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First Spacecraft to Touch the Sun Awaiting Launch
The Parker Solar Probe will study the Sun’s corona and its electric and magnetic fields, as well as the mechanisms that drive the solar wind, all from behind an advanced protective heat shield.
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Seeing Green: A Stratospheric View of the 2017 Total Eclipse
Airborne telescopes gave scientists a sky-high view of the 2017 Great American Eclipse as they took measurements that are difficult to obtain from the ground.
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Catching the Oncoming Radiation Storm
Improved processing enables satellite-based radiation sensors to match ground-based sensors in providing prompt warnings of the onset of atmospheric radiation storms that can endanger civil aviation.