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Spectacular Aurora Sneaks in Quietly, Rages All Night
Expect the unexpected when it comes to northern lights. Last night beautifully illustrated nature's penchant for surprise. A change in…
Virtual Star Party – April 26, 2014- Hangoutathon Special Edition!
This week's Virtual Star Party was a special 2-hour Saturday night version recorded as part of the Cosmoquest Hangoutathon. The…
Can You Escape the Force of Gravity?
It feels like you just can't get away from clingy gravity. Even separated by distances of hundreds of millions of…
Virtual Star Party – April 6, 2014: Saturn Rising
Hosts: Fraser Cain and Scott Lewis Astronomers: David Dickinson, Gary Gonella, Roy Salisbury, Sharin Ahmed, Stuart Forman, Mike Simmons and…
If the Moon Were Only One Pixel: a Scale Model of the Solar System
One of my favorite pet peeves is the inability of conventional models to accurately convey the gigantic scale of the…
Astrophotos: Sun Halo, Crescent Moon and Earthshine
Here's a few great astrophotos for today! Astrophotographer César Cantú from the Chilidog Observatory in Monterrey, Mexico captured this stunning…
Playing Marbles With The Planets
We've all seen charts showing the relative sizes of planets and moons compared to each other, which are cool to…
Could Jupiter Become A Star?
NASA’s Galileo spacecraft arrived at Jupiter on December 7, 1995, and proceeded to study the giant planet for almost 8…
Where is Earth Located?
You've probably heard the saying “everything’s relative”. When you consider our place in the Universe, everything really is relative. I’m…
A Mesmerizing Look at Year 4 of the Solar Dynamics Observatory
Four years ago today, the Solar Dynamics Observatory embarked on a five-year mission to boldly go where no Sun-observing satellite…