refraction

The Lowdown on September’s Harvest Moon

Friday night will feature a big orange Harvest Moon rising in the eastern sky at sunset. You don't want to…

6 years ago

August Full Moon Anticipates September’s Total Lunar Eclipse

Who doesn't love a Full Moon? Occurring about once a month, they never wear out their welcome. Each one becomes a special event…

7 years ago

The Resplendent Inflexibility of the Rainbow

Children often ask simple questions that make you wonder if you really understand your subject.  An young acquaintance of mine…

8 years ago

What Makes Mars Sunsets Different from Earth’s?

Even robots can't tear their eyes from a beautiful sunset. NASA's Mars Curiosity rover pointed its high resolution mast camera…

8 years ago

Turning Stars Into Art

We all have cameras, and the sky's an easy target, so why not have a little fun? Ever since I…

8 years ago

Guide to Tonight’s Big Harvest Moon

Tonight, September 8, the Harvest Moon rises the color of a fall leaf and spills its light across deserts, forests, oceans and cities.…

8 years ago

Astronomy Cast Ep. 254: Reflection and Refraction

Light can do some pretty strange stuff, like pass through objects and bounce off them; it can be broken up…

11 years ago

Dispersion of Light

[/caption] Look up into the rainy sky! What do you see? Well, if its just rained and the sun is…

11 years ago