December 21st, 2014
New Moon
moon
Seth Jarvis

Cosmic Quiz: Supermassive Black Holes

This week’s Cosmic Quiz winner is Carina Wytiaz, who asked, I’ve heard that all galaxies have a black hole at the center. Does our galaxy have a black hole? You heard correctly, Carina.  Astronomers have found evidence that all galaxies…

Seth Jarvis

Cosmic Quiz: How fast are we going?

This week’s Cosmic Quiz winner is Greg McMurray, who asked: How fast is the Earth moving relative to everything else? Let’s break it down. The first motion of Earth that we’re all familiar with is rotation – the movement of…

Duke Johnson

Fireball Feedback

Wow! What a fireball. It’s the buzz that surrounds this event that has everyone clambering for more information. As we try to answer people’s questions, we’ve gathered some of the most reliable data available at this point. We know that…

Richard

Leonid Meteor Shower 2009

The Leonid meteor shower peaks at 9:00 a.m., MST, on Tuesday, November 17th. There are predictions that observers in Asia may see several hundred meteors around the peak hour. However, under normal conditions, this shower produces 15-20 meteors per hour…

Dani Weigand

NASA discovers water on the moon

Just five weeks after the Lunar Crater Observation and Sensing Satellite (LCROSS) impacted the moon in the search for water, NASA scientists have announced the discovery of water on the moon. On Oct. 9, 2009, the LCROSS Centaur upper stage…

Seth Jarvis

Doughnuts vs. THE END OF THE WORLD

I’m betting doughnuts against the world ending in 2012. Any takers? The “2012″ disaster-pic opens Friday, and some folks are actually asking, “Is the world really going to end in 2012? Will the Earth’s magnetic field really reverse?  Is there…