August 31st, 2014
Waxing Crescent Moon
Seth Jarvis

Inferiority Complex

There is a lot happening in the sky in 2012! There’s the annular eclipse of the Sun on May 20th. There’s the not-again-visible -in-America-until-the-year-2125 Transit of Venus on June 5th. I’ll post entries in the Clark Planetarium blog about those…

Robert Bigelow

Observing Mercury, far and near

A milestone in the exploration of the planet Mercury will occur during the best evening opportunity to observe this planet during 2011. On March 17, the MESSENGER spacecraft will go where no spacecraft has gone before, into orbit around Mercury.…

Robert Bigelow

“Mister” Sol’s neighborhood

The New Horizons spacecraft is on its way to Pluto. It left Earth back in January 2006. Now it is almost halfway between the orbits of Saturn and Uranus. When will it reach Pluto? Not until July 2015. Why so…

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!