sun

Night Sky Guide: February 2012

Special thanks to Ninian Boyle astronomyknowhow.com for information in parts of this guide This month, the Solar System gives us…

13 years ago

“Cool” Gas May Be At The Root Of Sunspots

[/caption] Although well over 40 years old, the Dunn Solar Telescope at Sunspot, New Mexico isn't going to be looking…

13 years ago

“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…

13 years ago

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…

13 years ago

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…

13 years ago

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…

13 years ago

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…

13 years ago

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…

13 years ago

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…

13 years ago

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,…

13 years ago