Zipping through space at close to the speed of light, Solar Energetic Particles, or SEPs, are one of the main challenges for the future of human spaceflight. Clouds of these tiny solar projectiles can make it to Earth—a ...
Astronomy
Mar 10, 2021
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21
Scientists at the University of New Hampshire have unlocked one of the mysteries of how particles from flares on the sun accumulate at early stages in the energization of hazardous radiation that is harmful to astronauts, ...
Space Exploration
Feb 3, 2020
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30
Outbursts of energetic particles that hurtle out from the sun and can disrupt space communications may be even more varied and numerous than previously thought, according to results from the closest-ever flyby of the sun.
Space Exploration
Dec 4, 2019
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When sea-faring nations began to explore new regions of the world, one of their biggest concerns in making the journey safely was how to cope with weather. They could harness the wind for power. They could rely on the Sun ...
Space Exploration
Mar 28, 2019
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39
At the center of the sun is a raging nuclear inferno that reaches temperatures well into the millions of degrees. The surface is cool by comparison, at 10,000 degrees Fahrenheit.
Space Exploration
Sep 27, 2018
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23
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
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
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
Just hours after the winter solstice, a mass of energetic particles from the Sun smashed into the magnetic field around Earth. The strong solar wind stream stirred up a display of northern lights over northern Canada.
Space Exploration
Dec 28, 2016
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5
NASA's first mission to "touch" the sun has passed a critical development milestone that keeps it well on track toward its scheduled summer 2018 launch.
Space Exploration
Jul 14, 2016
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