SCIENCE
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The idea that matter is mostly empty space is mostly wrong
[ad_1] Practically all of the matter we see and interact with is made of atoms, which are mostly empty space.…
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Starts With A Bang podcast #104 — The magnetized galactic center
[ad_1] The center of the galaxy doesn’t just host stars and a black hole, but an enormous set of rich…
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What was it like when humans first arose on planet Earth?
[ad_1] Despite billions of years of life on Earth, humans first arose only ~300,000 years ago. It took all that…
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What was it like when oxygen killed almost all life on Earth? | by Ethan Siegel | Starts With A Bang! | Apr, 2024
[ad_1] Although our planet is thought to have had about a 2:1 ratio of oceans to continents throughout its history,…
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Ask Ethan: How do symmetries lead to conservation laws?
[ad_1] First derived by Emmy Noether, for every symmetry a theory possesses, there’s an associated conserved quantity. Here’s the profound…
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How to measure a lunar month during the solar eclipse | by Ethan Siegel | Starts With A Bang! | Apr, 2024
[ad_1] This partial solar eclipse, captured over Arlington, VA in 2021, shows the Moon’s disk partially blotting out the Sun.…
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Ask Ethan: Has a new study disproven dark matter and dark energy? | by Ethan Siegel | Starts With A Bang! | Mar, 2024
[ad_1] The full-field image of MACSJ0717.5+3745 shows many thousands of galaxies in four separate sub-clusters within the large cluster. The…
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Flagship NASA space telescope faces a penny-pinching death | by Ethan Siegel | Starts With A Bang! | Mar, 2024
[ad_1] The Bullet Cluster, the aftermath of a galaxy cluster collision that occurred 3.8 billion years ago in a region…
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Ask Ethan: How did matter come to exist in our Universe? | by Ethan Siegel | Starts With A Bang! | Mar, 2024
[ad_1] In the very early Universe, there were tremendous numbers of quarks, leptons, anti-quarks, and anti-leptons of all species. After…
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When will the Earth meet its demise? | by Ethan Siegel | Starts With A Bang! | Mar, 2024
[ad_1] If the Earth had the misfortune to either encounter a black hole or simply have one get too close…
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