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By Astronomy Cast on December 9, 2019 in
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Last week we gave you an update on the formation of elements from the Big Bang and in main sequence stars like the Sun. This week, we wrap up with a bang, talking about the death of the most massive stars and how they seed the Universe with heavier elements.

By Astronomy Cast on December 2, 2019 in
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We believe these heavier elements formed in stars, but which stars? And at what points in their lives? Today we’ll update our knowledge with the latest science.

By Astronomy Cast on November 25, 2019 in
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Few sciences have been able to take advantage of the power of computers like astronomy. But with all this computing power, you might be surprised to learn how important a role humans still play in this science.

By Astronomy Cast on November 18, 2019 in
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Proving that there’s alien life on another world is to look for biosignatures, but it looks like there are natural sources that could explain almost any chemical we could hope to search for.

By Astronomy Cast on November 11, 2019 in
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Things used to be so simple. Comets were snowballs from the outer Solar System, and asteroids were rocks from the inner Solar System. But now everything’s all shades of grey. Astronomers have found asteroids that behave like comets and comets that behave like asteroids.

By Astronomy Cast on November 4, 2019 in
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Proving, once & for all that there’s alien life on another world. It should be straightforward, look for biosignatures, but it looks like there are natural sources that could explain almost any chemical we could hope to search for.

By Astronomy Cast on October 28, 2019 in
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Our series on Universe weirdness marches on. This week we take a look at the habitable zone, and how things aren’t as simple as we thought.

By Astronomy Cast on October 21, 2019 in
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Our series on Universe weirdness continues, this time we learn how astronomers are struggling to make sense of the age of the Universe.