Astronomy Cast
Astronomy Cast 323: Isotopes
The number of protons defines an element, but the number of neutrons can vary. We call these different flavors of…
Astronomy Cast 322: SOHO
As we've mentioned before, the Sun is a terrifying ball of plasma. It's a good thing we're keeping an eye…
Astronomy Cast 321: Solar Flares
Sometimes the Sun is quiet, and other times the Sun gets downright unruly. During the peak of its 11-year cycle,…
Astronomy Cast 320: Layers of the Sun
Our Sun isn't just a terrifying ball of white hot plasma, it's actually a lot more complex. It's got layers.…
Astronomy Cast 319: The Zodiac
Although the Zodiac is best known for astrology nonsense, it has a purpose in astronomy too. The constellations of the…
Astronomy Cast 318: Escape Velocity
Sometimes you've just got to get away from it all. From your planet, your Solar System and your galaxy. If…
Astronomy Cast Episode 317: Observatories
Have you ever wondered what it's like to visit one of the big research observatories, like Keck, Gemini, or the…
Astronomy Cast Episode 316: Observational Versus Experimental Science
Sometimes you can do science by watching patiently, and sometimes you’ve just got to get your hands dirty with an…
Astronomy Cast 315 – Particle Accelerators
Who knew that destruction could be so informative? Only by smashing particles together with more and more energy, can we…
Astronomy Cast Ep. 282: Seasons
Spring, Summer, Autumn and Winter. These are the seasons we experience here on Earth as our planet completes an orbit…