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By Astronomy Cast on November 19, 2018 in
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Today we’ll look at the problem that has puzzled physicists for generations: is there a single equation that explains all the forces we see in the Universe. Is there a theory of everything?

By Astronomy Cast on November 12, 2018 in
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Seismology. A chance to peer into our planet & learn how it works. And we’re about to take that technology to Mars. @astronomycast at #365DaysOfAstro

By Astronomy Cast on November 5, 2018 in
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To really study something you want to reach out and touch it. But what can you do if you’re separated by huge distance. You reach out with electromagnetic or sound waves and watch how they bounce back. Thanks to radar, sonar and lidar.

By Astronomy Cast on October 29, 2018 in
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Scientists manage to map a highly detailed gravity map of our planet. And it turns out, this is very useful for other worlds too.

By Astronomy Cast on October 22, 2018 in
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How do we know what planets lights years away have in their atmosphere? What about the rocks all around Curiosity?

By Astronomy Cast on October 15, 2018 in
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Some of the biggest questions in the universe depend on its shape. Is it curved? Is it flat? Is it open?

By Astronomy Cast on October 8, 2018 in
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Good news! There are hundreds if not thousands of times more of them than worlds like Earth. Bad news? They’re locked in ice.

By Astronomy Cast on October 1, 2018 in
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Gravity is always pulling you down, but there are places in the solar system where gravity balances out. These are called Lagrange points and space agencies use them as stable places to put spacecraft