Astronomer Jay Pasachoff is busy exciting people about their chance to experience the August 21, 2017, total solar eclipse, whose path of totality will sweep across the United States from coast to coast. He is leading an ...
Space Exploration
Jan 9, 2017
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Caltech applied physicists have experimentally simulated the sun's magnetic fields to create a realistic coronal loop in a lab.
Space Exploration
Nov 7, 2016
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The GRAPES-3 muon telescope, the largest and most sensitive cosmic ray monitor recorded a burst of galactic cosmic rays that indicated a crack in the Earth's magnetic shield. The burst occurred when a giant cloud of plasma ...
General Physics
Nov 3, 2016
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A new study by researchers at Embry-Riddle Aeronautical University, funded by the National Science Foundation, has identified for the first time a process by which the solar wind is heated along extended regions of the Earth's ...
Plasma Physics
Sep 6, 2016
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Every 18 months or so, scientists and sensation-seekers gather at set points on Earth's surface, to await awe-inspiring solar eclipses. The Moon briefly blocks the Sun, revealing its mysterious outer atmosphere, the corona. ...
Space Exploration
Aug 22, 2016
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What's better at blocking sunlight: a traditional flat occulter disk or a beach ball?
Space Exploration
Nov 10, 2015
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Solar physicists have captured the first direct observational signatures of resonant absorption, thought to play an important role in solving the "coronal heating problem" which has defied explanation for over 70 years.
Space Exploration
Aug 23, 2015
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An elongated solar filament that extended almost half the sun's visible hemisphere erupted into space on April 28-29, 2015, in a large burst of bright plasma. Filaments are unstable strands of solar material suspended above ...
Space Exploration
May 5, 2015
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36
When you attach the prefix "nano" to something, it usually means "very small." Solar flares appear to be the exception.
Space Exploration
Mar 20, 2015
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A dark, snaking line across the lower half of the sun in this Feb. 10, 2015 image from NASA's Solar Dynamics Observatory (SDO) shows a filament of solar material hovering above the sun's surface. SDO shows colder material ...
Space Exploration
Feb 12, 2015
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