February 8th, 2016
Waxing Crescent Moon

Days become longer with arrival of Winter Solstice

The winter solstice occurs on Monday, December 21st, 2009, at 10:47 am, MST. Solstice means sun stationary. This event marks the time when the sun is at its furthest point south of the celestial equator. The celestial equator is simply…

Robert Bigelow

December’s Blue Moon?

There are two full moons in December. By modern convention, the second full moon in a calendar month is called a blue moon. So, New Year’s Eve party goers can celebrate a blue moon followed by a New Year. However,…


Geminid Meteor Shower

The Geminid Meteor Shower peaks at 10:00 pm, MST, on Sunday, December 13th; with a predicted peak rate of 120 meteors per hour. With New Moon on the 16th, there will be no moonlight to wash out the sky, making…

Seth Jarvis

Cosmic Quiz: Weightless Astronauts?

This week’s Cosmic Quiz question comes from Daniel Wallace: Why are astronauts aboard the International Space Station weightless while they are still so close to the Earth? Great question!

Mike Sheehan

Top 10 gifts ideas from Planet Fun

At Planet Fun Clark Planetarium Store, we love this time of year. As the holidays approach, we spend lots of time searching the store for the best products that entertain and educate. This, of course, means lots of  hands on…

Seth Jarvis

Cosmic Quiz: Why can’t light escape a Black Hole?

This week’s Cosmic Quiz question comes from James Sylvester, who asks, “If the speed of light is the highest attainable speed, why can’t it escape a black hole?” First, a few words about the speed of light, which is indeed…