SCIENCE
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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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How charges and masses create the Universe around us | by Ethan Siegel | Starts With A Bang! | Mar, 2025
In the very early Universe, there were tremendous numbers of quarks, leptons, antiquarks, and antileptons of all species. After only…
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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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These 7 anti-science myths threaten modern-day society | by Ethan Siegel | Starts With A Bang! | Feb, 2025
In February of 2025, noted anti-vaccine, anti-fluoride, and anti-GMO crusader Robert F. Kennedy, Jr., despite the objection of qualified scientists…
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The Bullseye galaxy: a ring galaxy with a resonant twist | by Ethan Siegel | Starts With A Bang! | Feb, 2025
Prior to the pioneering 2025 work that discovered the Bullseye galaxy, showcased here, no galaxy had more than three concentric…
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Ask Ethan: Could there be dark matter aliens out there? | by Ethan Siegel | Starts With A Bang! | Feb, 2025
Intelligent aliens, if they exist in the galaxy or the Universe, might be detectable from a variety of signals: electromagnetic,…
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Did LIGO just see its most important gravitational wave ever? | by Ethan Siegel | Starts With A Bang! | Feb, 2025
A mathematical simulation of the warped space-time near two merging neutron stars that result in the creation of a black…
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Ask Ethan: What are the worst cosmic misnomers? | by Ethan Siegel | Starts With A Bang! | Feb, 2025
The Egg Nebula, as imaged here by Hubble, is a preplanetary nebula, as its outer layers have not yet been…
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Our first “Earth-like” exoplanets probably won’t have atmospheres | by Ethan Siegel | Starts With A Bang! | Feb, 2025
When an exoplanet passes in front of its parent star, a portion of that starlight will filter through the exoplanet’s…
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Ask Ethan: Why doesn’t dark matter collapse due to gravity? | by Ethan Siegel | Starts With A Bang! | Feb, 2025
Galaxies can be found along, nearby, and within cosmic filaments. There is often both neutral and ionized matter within the…
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