SCIENCE
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The quantum physics behind fireworks displays | by Ethan Siegel | Starts With A Bang! | Jul, 2024
All across the world, fireworks displays mark a variety of holidays and celebrations, with many of the most spectacular displays…
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The epic race inside the Pillars of Creation is almost over | by Ethan Siegel | Starts With A Bang! | Jul, 2024
This remarkable three-panel image showcases the same region of space: the Pillars of Creation. On the left, the 1995 Hubble…
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Ask Ethan: Why is it darker during Winter than Summer? | by Ethan Siegel | Starts With A Bang! | Jul, 2024
This panorama of three different sunrises: during Summer solstice (left), equinox (middle), and Winter solstice (right). Note not only the…
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Why JWST doesn’t have the same limits as Hubble
All telescopes are fundamentally limited in what they can see. JWST reveals more distant galaxies than Hubble, but still can’t…
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Ask Ethan: Could gravitational waves collapse into a black hole?
Gravitational waves carry enormous amounts of energy, but spread out quickly once they leave the source. Could they ever create…
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Astronomy’s secret weapon in the resolution wars: interferometry
The sharpest optical images, for now, come from the Hubble Space Telescope. A ground-based technique can make images over 100…
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Ask Ethan: Is the Universe finite or infinite?
The Universe’s history, from cosmic inflation to the Big Bang to the present, is known. But whether it’s infinite or…
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The Milky Way’s stars are gradually being ejected
Known as hypervelocity stars, we originally thought just one would be ejected every 100,000 years. The real number is much…
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After 13.8 billion years, why hasn’t the Big Bang faded away?
Although the Big Bang occurred at an instant in time long ago, we still see the light from it. Will…
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