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By Astronomy Cast on April 29, 2019 in
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Ancient peoples had no light pollution, and they knew the night skies very well. In fact, they depends on them to know when to plant and when to harvest. Today Pamela talks about the archeoastronomical sites of the American Southwest.

By Astronomy Cast on April 15, 2019 in
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Even though they might be scattered around our planet, astronomers have a way to come together to work out issues that face their entire field of study. It’s called the International Astronomical Union, and they’re the ones who work out the new names for stars, and sometimes de-planet beloved Kuiper Belt Objects.

By Astronomy Cast on April 8, 2019 in
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We learned how to figure out the ages of objects in the Solar System, now we push out into the deeper Universe. What about stars, galaxies, and even the Universe itself? How old is it?

By Astronomy Cast on April 1, 2019 in
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Today we push our aging curiosity out into the Solar System to ask that simple question: how old is it and how do we know? What techniques do astronomers use to age various objects and regions in the Solar System?

By Astronomy Cast on March 25, 2019 in
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People always want to know we know how old everything is. @AstronomyCast will answer that. More at #365DaysOfAstro

By Astronomy Cast on March 18, 2019 in
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The Deep Space Network. Today we’re going to talk about how this system works and how it communicates with all the spacecraft out there in the Solar System

By Astronomy Cast on March 11, 2019 in
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The movement of the planets didn’t really match any theory; not until Johannes Kepler came along with his ellipses, and everything finally worked. #365DaysOfAstro @astronomyCast

By Astronomy Cast on March 4, 2019 in
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In last week’s episode we talked about the things that change here in our own solar system. Now we’ll talk about everything else in the Milky Way and beyond.