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…

8 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…

9 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…

9 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…

10 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…

10 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.…

10 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…

13 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…

13 years ago