The normal, multi-armed spiral galaxy IC 342, as imaged by ESA’s Euclid, with a Fibonacci spiral overlaid atop it. As you…
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Einstein, shown here at a Princeton luncheon in 1953, was not only a physics genius and global celebrity, but a kind…
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SCIENCE
Ask Ethan: Why doesn’t radiation dominate the Universe? | by Ethan Siegel | Starts With A Bang! | Jan, 2024
At the start of the hot Big Bang, the Universe was rapidly expanding and filled with high-energy, very densely packed, ultra-relativistic…
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SCIENCE
Evaporating exoplanet WASP-69b solves two planetary puzzles | by Ethan Siegel | Starts With A Bang! | Jan, 2024
Around the star WASP-69, a “hot Jupiter” exoplanet has its outer layers of atmosphere photoevaporated away, creating a comet-like tail whose…
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SCIENCE
Starts With A Bang podcast #101 — Quantum Computing | by Ethan Siegel | Starts With A Bang! | Jan, 2024
Riccardo is the author of a state-of-the-art textbook on quantum computers, has his PhD from Oxford in Quantum Computing, and has…
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As sunlight strikes Earth from space, it doesn’t fall on the planet equally in all locations. The Earth has a three-dimensional,…
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SCIENCE
What was it like when life first became possible? | by Ethan Siegel | Starts With A Bang! | Jan, 2024
This conceptual image shows meteoroids delivering all five of the nucleobases found in life processes to ancient Earth. All the nucleobases…
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SCIENCE
What was it like when supermassive black holes arose? | by Ethan Siegel | Starts With A Bang! | Jan, 2024
The farther away we observe, the closer in time we find ourselves looking near the start of the hot Big Bang.…
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SCIENCE
What was it like when the first “polluted” stars formed? | by Ethan Siegel | Starts With A Bang! | Jan, 2024
When the very first stars form in the Universe, they form out of hydrogen and helium alone. But when that first…
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SCIENCE
What was it like when the very first stars died? | by Ethan Siegel | Starts With A Bang! | Dec, 2023
X-ray emissions that are large, extended, and structure-rich highlight a variety of supernovae seen in the galaxy. Some of these are…
