SCIENCE
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What are all the different types of nebula in astronomy? | by Ethan Siegel | Starts With A Bang! | Mar, 2025
This image shows six diff erent, unrelated planetary nebulae, all with similar, bipolar morphologies. These six objects, NGC 6302, NGC…
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Starts With A Bang podcast #115 — Dwarf galaxies in isolation | by Ethan Siegel | Starts With A Bang! | Mar, 2025
However, while most of the dwarf galaxies we know of are found as satellites around larger, more massive galaxies, they…
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Why invest in fundamental research? A former Nazi explains | by Ethan Siegel | Starts With A Bang! | Mar, 2025
Ernst Stuhlinger, seated at far left, was one of the early pioneers of NASA and of spaceflight missions in general…
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Ask Ethan: Does the multiverse explain our fundamental constants? | by Ethan Siegel | Starts With A Bang! | Mar, 2025
We normally conceive of our Universe as having emerged from a preceding period of cosmic inflation, with our Big Bang…
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There are 7 states of matter; “topoconductor” isn’t one of them | by Ethan Siegel | Starts With A Bang! | Mar, 2025
When the proper conditions are achieved, even multiple fermions, which normally cannot occupy the same quantum state, can reach a…
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How astronomers solved the “Zone of Avoidance” puzzle | by Ethan Siegel | Starts With A Bang! | Mar, 2025
This image shows a laser guide star being created towards the galactic center of the Milky Way. While the Milky…
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4 key steps to transform the USA back into a scientific nation | by Ethan Siegel | Starts With A Bang! | Mar, 2025
In July of 1969, humanity took our first steps on the surface of another world: the Moon. This was the…
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Hubble completes the largest galactic mosaic of all-time | by Ethan Siegel | Starts With A Bang! | Mar, 2025
This selection of the Andromeda galaxy comes courtesy of the largest photomosaic ever assembled with Hubble Space Telescope data. There’s…
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Ask Ethan: Could dark matter be “normal stuff” we can’t see? | by Ethan Siegel | Starts With A Bang! | Feb, 2025
The full-field image of MACS J0717.5+3745 shows many thousands of galaxies in four separate sub-clusters within the large cluster. The…
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JWST catches star vaporizing the hottest rocky exoplanets | by Ethan Siegel | Starts With A Bang! | Feb, 2025
This illustration shows a star, an orbiting exoplanet, and a cloud (or tail) of debris that emanates off of the…
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