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Planetary Accessories — Moons and Rings

In our Solar System, we are used to a certain order of things. Our terrestrial planets, Mercury, Venus, Earth and Mars, i.e. the little ones, have zero, one or two moons. Jovian planets, the big ones...

March 13, 2016

Seeing Double -- Two Habitable Worlds in One Solar System

NASA’s Kepler spacecraft has found lots of new planetary systems over the last few years. Many of these systems h...

January 02, 2016

White Dwarfs, Red Dwarfs, and Blue Giants, Oh My!

White Dwarfs, Yellow Dwarfs, Red Dwarfs, Red Giants, and Blue Giants, oh my!As we look out from Earth along the disk of...

May 19, 2015

Worlds of Ice, Water... And Plate Tectonics?

Long have we talked about the requirements for a world able to harbor our kind of life. We needed liquid water for life...

January 20, 2015

Why Is The Sky Blue?

Why is the Sky Blue? If you live in the northern hemisphere of our world, your summer is coming to an end. Hopefully e...

October 08, 2014

Another Earth Found? Maybe, Hopefully…

Last Thursday, the folks from NASA’s Kepler Mission had a very exciting announcement. They found a planet the size of Earth in the habitable zone around its star. Are we ready to dial long dist...

April 25, 2014

STRANGE NEW WORLDS: Uncovering The Mysteries Of Mars

We have been observing Mars long since before the time of Galileo. Being the first person to bother pointing a telescop...

November 30, 2013

STRANGE NEW WORLDS: Clouds on an Alien World

When watching any of the Star Trek series or movies, we sometimes see scenes in orbit around alien planets. I am always...

October 19, 2013

Strange New Worlds: Our Place in the Milky Way Galaxy

Our Place in the Milky Way GalaxyIf a solar system is like a home village, then a galaxy is like a very large home coun...

June 18, 2013

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