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Astronomy Cast

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Sep 26, 2022

Astronomy Cast Ep. 654: The Side Effects Of Clean Energy

by Fraser Cain & Dr. Pamela Gay

To battle climate change, we’ll need to rapidly move to carbon-free sources of energy. But this technology isn’t a free lunch. They require metals, generate waste and deplete the environment. What’s the best way to balance...

Sep 19, 2022

Astronomy Cast Ep. 653: Climate Change: Looking at the Variables

by Fraser Cain & Dr. Pamela Gay

Climate change is on our mind these days with increasing wildfires, droughts and floods. What are the variables that play into a planet’s changing climate and what can this teach us about the search for habitable planets...

Sep 12, 2022

Astronomy Cast Ep. 652: The Rocket Race Towards Reusability

by Fraser Cain & Dr. Pamela Gay

Last week we talked about how single-use rocketry has changed over time, and the role it still plays in launching payloads into orbit and beyond. Today we’ll address the stainless steel elephant in the room and talk about the...

Sep 7, 2022

Astronomy Cast Ep. 651: Artemis & The Decline of Single Use Rockets

by Fraser Cain & Dr. Pamela Gay

Season 16 opener.

On the day that we’re recording this, NASA’s Space Launch System is about to blast off. But everyone is expecting it’ll be delayed to October. When it does launch, it’ll be the most powerful...