Astronomy Cast

The Earth is wobbling on its axis like a top. You can't feel it, but it's happening. And over long periods of time, these wobbles shift our calendars around, move the stars from where they're supposed to be, and maybe even mess with our climate. Thank you very much Precession.

AstronomyCast 304: Death of a Spacecraft by Fraser Cain & Dr. Pamela Gay

Why don’t we have insects the size of horses? Why do bubbles form spheres? Why does it take so much energy to broadcast to every star? Let’s take a look at some non-linear mathematical relationships and see how they impact your day-to-day life.

AstronomyCast 303: Equilibrium by Fraser Cain & Dr. Pamela Gay

AstronomyCast 302: Planetary Motion in the Sky by Fraser Cain & Dr. Pamela Gay

Shhhh, shhh. You can stop screaming. That’s because nobody can hear you … in space. But why not? How does sound work here on Earth, and what would it sound like on other planets?

Our modern society depends on science. It impacts the way we eat, work, communicate and play. And yet, most people take our amazing scientific advancement for granted, and some are even hostile to it. What can we do to spread the love of science through education, outreach and media?

When it comes to carbon dioxide, just a little goes a long way to warming the planet. Unfortunately, we’ve been dumping vast amounts into the atmosphere, recently passing 400 parts per million. Let’s look at the science of the greenhouse effect, and how it’s impacting our global climate.

The Pacific Ring of Fire wraps around the Pacific Ocean, including countries like Japan, Canada, New Zealand and Chile. And the inhabitants within those countries are prone to… oh… killer earthquakes, volcanoes and tsunamis. Let’s chat about the history of this region and the kinds of risks they face.

AstronomyCast 301: Planetary Migration by Fraser Cain & Dr. Pamela Gay