November 28th, 2015
Waning Gibbous Moon

Groundhog Day, February 2nd

Groundhog Day is February 2nd each year, and has its roots in Astronomy. It is a crossquarter day, marking the midpoint between the winter solstice in December and the spring equinox in March. Although we celebrate the beginning of spring around…

Product Review: Scientific Explorer Rocket Car

Spring means focusing on getting outside with products from Planet Fun Clark Planetarium Store. Last week, we highlighted some of our favorite outdoor products. This week, I teamed up with store manager Mike Sheehan to test my rocket building skills…


Vernal Equinox marks the arrival of spring

The vernal equinox occurs on Friday, March 20th, 2009, at 5:44 am, MDT. This is the official beginning of spring in the northern hemisphere. At this time the Sun is crossing the celestial equator from the southern half of the…