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“The Sun”

Jun 16, 2015 05:56 PM ET // Ian O'Neill
Armed with a NASA online app and a little imagination, you can see for yourself how bright noon on Pluto actually is.
May 13, 2015 09:06 PM ET // Ian O'Neill
Astronomers studying stars like our sun that are known to generate powerful 'superflares' have also discovered that these superflares are likely associated with monster 'starspots.'
Apr 21, 2015 03:31 PM ET // Ian O'Neill
This beautiful portrait of our nearest star was captured by NASA's Solar Dynamics Observatory (SDO), picking out the powerful and elegant loops of magnetized plasma reaching high into the sun's corona.
Apr 9, 2015 04:12 PM ET // Ian O'Neill
Astronomers have taken a census of distant spiral galaxies to help us understand what our Milky Way may have looked like in the distant past, also providing us with an invaluable look at the evolution of our own solar system.
Apr 8, 2015 01:00 PM ET // Irene Klotz
The primordial planet believed to have smashed into baby Earth, creating a cloud of debris that eventually formed into the moon, was chemically a near-match to Earth.
Mar 17, 2015 01:34 PM ET // Ian O'Neill
The most powerful solar storm of the current solar cycle is currently reverberating around the globe.
Mar 12, 2015 02:37 PM ET // Ian O'Neill
The sun has erupted with its first X-class solar flare of 2015, a not-so-subtle reminder that it can still muster the energy required to generate the most powerful class of solar explosion.
Mar 4, 2015 11:06 AM ET // Ian O'Neill
A new computer model of our sun's magnetic field suggests the shape of our solar system's heliosphere is stranger than we ever thought.
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