SCIENCE
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Black holes are common. So where are the white holes?
[ad_1] In General Relativity, white holes are just as mathematically plausible as black holes. Black holes are real; what about…
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How we know the Universe is 13.8 billion years old | by Ethan Siegel | Starts With A Bang! | Apr, 2024
[ad_1] If you look farther and farther away, you also look farther and farther into the past. If the number…
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What was it like when human beings transformed the Earth? | by Ethan Siegel | Starts With A Bang! | Apr, 2024
[ad_1] The original “blue Marble” image, from Apollo 17, was actually snapped in the orientation shown here: where south is…
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What was it like when life on Earth became complex?
[ad_1] For billions of years on Earth, life was limited to simple unicellular, non-differentiated organisms. In a mere flash, that…
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Ask Ethan: How do symmetries lead to conservation laws? | by Ethan Siegel | Starts With A Bang! | Apr, 2024
[ad_1] Emmy Noether, the person who proved Noether’s theorem, which connects symmetries and invariances of a theory with an associated…
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How ground-based astronomers overcome Earth’s atmosphere | by Ethan Siegel | Starts With A Bang! | Apr, 2024
[ad_1] First light, on April 26, 2016, of the 4LGST. This is arguably the most advanced adaptive optics system in…
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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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How logic and reasoning can fail as scientific tools
[ad_1] In logic, ‘reductio ad absurdum’ shows how flawed arguments fall apart. Our absurd Universe, however, often defies our intuitive…
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March 25, 2024’s full moon portends April 8th’s solar eclipse
[ad_1] The least exciting of all eclipses, a penumbral lunar eclipse, foreshadows the spectacular show that April 8th’s total eclipse…
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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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