We’ve always assumed that we lived in a perfectly normal system with a normal star and normal planets. It’s all… normal. But with our modern understanding of billions of stars, just how normal is our Sun, anyway?
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Ep. 641: Are Planets Alive?
The Earth is teeming with life, both in the upper atmosphere to kilometers underground. There’s no question that our planet has life. But is our planet itself alive? This is a question posed back in the 1970s as the Gaia hypothesis, and it got its share of criticism. Some new ideas have been proposed to bring this hypothesis to the modern era.
Ep. 640: Survey Science: Newest Projects and Results
There are general-purpose telescopes and missions that astronomers can use to study specific objects. And there are survey missions that look at the entire sky, which astronomers can use to answer questions about the Universe. We’ve talked about surveys in the past, but the landscape is changing fast so it’s time for an update.
Ep. 639: Big Questions Update: Dark Matter, Dark Energy, Hubble Constant
Knowledge moves forward, and so, we must move with it. Today we’ll give you an update on some of the most fascinating, and fast-changing topics in astronomy, astrophysics and cosmology.