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Astronomy Cast

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Feb 3, 2025

Astronomy Cast Ep. 742: Atmospheric Gravity Waves

By Fraser Cain & Dr. Pamela Gay

Streamed live on Jan 27, 2025.

Hosted by: Fraser Cain and Dr. Pamela L. Gay

Gravity Waves ... not gravitational waves ... move atmospheres and make pretty clouds. Have you ever looked up into the sky and seen bizarre cloud formations that...


Jan 27, 2025

Astronomy Cast Ep. 741: Technosignatures

By Fraser Cain & Dr. Pamela Gay

Streamed live on Jan 20, 2025.

As humanity developed more advanced technology, we’re having a larger effect on our environment. The more we do, the more we could be detectable. And this gives us ideas on how we could detect other civilizations,...


Jan 20, 2025

Astronomy Cast Ep. 740: Sneaky Stars!

By Fraser Cain & Dr. Pamela Gay

Streamed live on Jan 13, 2025.

Why stars can’t be trusted!

If you’re an astronomer you depend on accurate observations of stars, but there’s a problem. Stars are sneaky! Changing in size, brightness, color, they hide their chemistry, their age...


Jan 13, 2025

Astronomy Cast Ep. 740: Drones!

By Fraser Cain & Dr. Pamela Gay

Streamed live January 9, 2025.

From little Ingenuity to the future Firefly and all our Earth Science fliers, let's look at the buzzy scientists. NASA’s Mars Ingenuity helicopter showed us how wonderful a flying science platform can be on another world....