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 a projection of Earth’s equator out into space, and divides the sky into the northern celestial [...]
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, this definition of a blue moon results from a mistake made in an article published [...]
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 this year’s Geminids a shower worth watching Sunday night.
The Geminid shower does not originate from a [...]
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!
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 demonstration (playing) and testing (over and over again) of our products.
After much review, we’re featuring [...]
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 the fastest speed attainable through space. How fast is it?
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