What happens when the solar wind suddenly starts to blow significantly harder? According to two recent studies, the boundaries of our entire solar system balloon outward—and an analysis of particles rebounding off of its ...
Space Exploration
Jun 6, 2018
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219
"Sunrise crashes an aurora party over the southern hemisphere," said astronaut Ricky Arnold of the image he snapped from the International Space Station.
Space Exploration
Apr 12, 2018
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27
NASA has selected a science instrument for an upcoming Japan-led sample return mission to the moons of Mars planned for launch in 2024. The instrument, a sophisticated neutron and gamma-ray spectrograph, will help scientists ...
Space Exploration
Nov 20, 2017
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9
The radiation belts of Earth and Saturn differ more strongly than previously assumed. In these belts, very energetic particles, such as electrons and protons, move around the planet at high velocities - captured by its magnetic ...
Space Exploration
Oct 30, 2017
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517
If you still have your solar viewing glasses from the eclipse, now is a good time to slap them on and look up at the sun. You'll see two big dark areas visible on our star. These massive sunspots are regions of intense and ...
Space Exploration
Sep 8, 2017
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281
A team of astronomers, led by PhD researcher Malcolm Druett of Northumbria University at Newcastle, have taken a big step forward in understanding a 30-year-old mystery in the process of formation of solar flares. Druett ...
Space Exploration
Jul 4, 2017
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55
Our ever-changing sun continuously shoots solar material into space. The grandest such events are massive clouds that erupt from the sun, called coronal mass ejections, or CMEs. These solar storms often come first with some ...
Space Exploration
May 8, 2017
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521
Solar flux is considered to be the fundamental energy source of Earth's climate system on long time scales. In recent decades, some studies have noted that tiny variations in solar activity could be amplified by the nonlinear ...
Earth Sciences
Apr 25, 2017
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17
Every so often the sun emits an explosive burst of charged particles that makes its way to Earth and often wreaks havoc on power grids, aircraft and satellite systems. When clouds of high-speed charged particles come racing ...
Space Exploration
Mar 29, 2017
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15
Our constantly-changing sun sometimes erupts with bursts of light, solar material, or ultra-fast energized particles—collectively, these events contribute to space weather. In a study published Jan. 30, 2017, in Space Weather, ...
Space Exploration
Mar 2, 2017
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