SCIENCE
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How to tell which edge of a galaxy is tipped towards you | by Ethan Siegel | Starts With A Bang! | Mar, 2025
This image shows the dusty galaxy NGC 4526, the galaxy that famously hosted a bright supernova back in 1994. It…
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Ask Ethan: Why do galaxies still collide in the expanding Universe? | by Ethan Siegel | Starts With A Bang! | Mar, 2025
The pair of interacting galaxies in the process of a merger, known as IC 1623, is imaged here by JWST.…
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Scientists have definitively taken us beyond the Big Bang | by Ethan Siegel | Starts With A Bang! | Mar, 2025
A tremendous revolution has occurred in the past four decades concerning our ultimate cosmic origins. While the Big Bang still…
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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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How JWST puts the squeeze on light dark matter, for free | by Ethan Siegel | Starts With A Bang! | Mar, 2025
Although the Spitzer space telescope’s infrared views could reveal many features, such as the warped disk, within the Sombrero galaxy,…
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Ask Ethan: Does mass or energy increase near the speed of light? | by Ethan Siegel | Starts With A Bang! | Mar, 2025
This moving, zipping star field appears to depict an ultra-relativistic motion through space, extremely close to the speed of light.…
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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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