sun
What Part of the Milky Way Can We See?
When you look up and see the Milky Way, you're gazing into the heart of our home galaxy. What, exactly,…
NASA Explains: The Difference Between CMEs and Solar Flares
This is a question we are often asked: what is the difference between a coronal mass ejection (CME) and a…
Astrophoto: The Sun as a Work of Art
Here's a solar flare with a little flair added! Astrophotographer Rick Ellis from Toronto, Canada created this "artsy" Sun by…
A New Marker Might Better Track the Solar Cycle
Approximately every 11 years the Sun becomes violently active, putting on a show of magnetic activity for aurora watchers and…
Enjoy This Eye-Meltingly Awesome Photo of Our Sun
Here's yet another glorious photo of our home star, captured and processed by New York artist and photographer Alan Friedman on…
How Do The Tides Work?
Anyone who lives close to ocean is familiar with the tides. And you probably know they have something to do…
Is Our Solar System Weird?
Is our Solar System normal? Or is it weird? How does the Solar System fit within the strange star systems…
A Stunning Image of our Home Star
Active regions 2108 and 2109 are now passing around the limb of the Sun, but not before solar photography specialist Alan…
How Many Ways Can the Sun Kill You?
The Sun has a Swiss army knife of ways it can do you in, from radiation to solar flares. And…
How Can We Move the Earth?
Sooner or later we're going to want to move the Earth further away from the Sun. It turns out, there…