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Scientists Find Traces Of Enormous Solar Storms That Once Hit The Earth

During the Middle Ages the Earth was struck by two giant solar storms, far larger than anything we have observed. The explosions left marks in polar ice and in the trees that date to the era. With communication systems and electricity grids vulnerable to major storms, the findings suggest we may be at more risk

Comet Encke: A Solar Windsock Observed by NASA’s STEREO

Much like the flapping of a windsock displays the quick changes in wind’s speed and direction, called turbulence, comet tails can be used as probes of the solar wind – the constant flowing stream of material that leaves the sun in all directions. According to new studies of a comet tail observed by NASA’s Solar

NASA’s SDO catches a double eclipse

NASA’s Solar Dynamics Observatory sees dozens of Earth eclipses and several lunar transits each year. On September 13, 2015, it saw the two happening at once. This past Sunday (September 13, 2015) was a partial eclipse of the sun as seen from parts of South Africa and Antarctica. At the same time, NASA’s Solar Dynamics

Students Start Mapping Cosmic Rays and Solar Wind with LUCID

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A satellite experiment to study cosmic rays and the solar wind that was devised by school students is now successfully collecting data in space. LUCID, the Langton Ultimate Cosmic ray Intensity Detector, uses particle detectors from CERN to study the radiation environment in low Earth orbit. 16-year old Cal Hewitt, from the Langton Star Center,

Subaru Telescope Observers Superflare Stars with Large Starspots

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A team of astronomers has used the High Dispersion Spectrograph on the Subaru Telescope to conduct spectroscopic observations of Sun-like "superflare" stars first observed and cataloged by the Kepler Space Telescope. The investigations focused on the detailed properties of these stars and confirmed that Sun-like stars with large starspots can experience superflares. The team, made

Meteor Activity Outlook for April-May, 2015

During this period the moon reaches its first quarter phase on Saturday April 25th. At this time the moon will be located 90 degrees east of the sun and will set near 0100 local daylight saving time (LDT). As the week progresses the moon will interfere more and more with meteor observing as it waxes