sun
“Bad Boy” Sunspot Unleashes Powerful X-Class Flare
The active region on the Sun that created all the hubbub and aurorae earlier this week put out one last…
What Causes Aurora?
Will you be seeing an aurora tonight? Yesterday, January 23, 2012, an M8.7-class flare erupted from the Sun and sent…
Can Solar Flares Hurt Astronauts?
[/caption] Solar flares, coronal mass ejections, high-energy photons, cosmic rays... space is full of various forms of radiation that a…
NOAA: Largest Solar Radiation Storm Since 2005 Now in Progress
[/caption] Earth's magnetic field is already full of activity from an Earth-directed Coronal Mass Ejection (CME) last week. But all…
Aurora Alert! Sun Sends CME in Earth’s Direction
As seen here by the Solar Dynamics Observatory, a long duration M3-class flare began erupting on the Sun from sunspot…
I Thought I Saw A UFO! Mystery Triangle On STEREO Image Explained…
Mystery diamond-shape "object" entering the field-of-view of the HI2 telescope on STEREO Behind around December 26, 2011. Credit: NASA The…
A Solar Flare of Many Colors
Here's a great look at a beautiful, leaping C2.2-Class solar flare from the Sun on January 5, 2012. The Solar…
The Sun Blows Off a Little Steam
[/caption] This is an awesome image of the Sun captured by Efrain Morales Rivera from the Jaicoa Observatory in Aguadilla,…
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Night Sky Guide: January 2012
[/caption] January brings us striking views of the night skies! You'll be able to see well known constellations during the…
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Top Astronomy Events Coming Up in 2012
[/caption] As 2011 is drawing to a close, the festive season is here and many of us are winding down…