sun
How Long Does it Take Sunlight to Reach the Earth?
Here's a question... how long does it take sunlight to reach Earth? This sounds like a strange question, but think…
The Sun Doesn’t Cause Earthquakes
If that title seems like an obvious statement to you, it's ok... it seems pretty obvious to me too. But…
Weekend Aurora Alert: The Sun Lets Loose an Earth-Directed CME
The Solar Dynamics Observatory captured this view as the Sun let loose with its biggest solar flare of the year…
Solar Spacecraft Gets a Little Loopy
Twice a year, the Solar Dynamics Observatory performs a 360-degree roll about the axis on which it points toward the…
Astrophotos: We Have Liftoff from the Sun!
Here are three images showing large prominences recently lifting off from the Sun's surface. Solar prominences are sheets or arcs…
Astrophoto: Jungle Sunset
They say that perspective is everything. In this case perspective and filters are what makes this such a great astrophoto!…
This is What Can Happen When a CME Hits Earth
This video taken by Göran Strand from Östersund, Sweden shows what happened on March 17, 2013 when a Coronal Mass…
A Rather Quiet Solar Maximum … For Now
2013 was supposed to be the year of Solar Max, the peak of the 11-year sunspot cycle. But so far,…
Astrophoto: Giant Sunspot Group on the Sun
On February 19 and 20, 2013, scientists watched a giant sunspot form in under 48 hours. It has grown to…
New Video Shows Fire and ‘Rain’ on the Sun
This footage was obtained by the AIA instrument on the Solar Dynamics Observatory on July 19, 2012. It provides a…