If you measure the expansion rate of the Universe using an early relic method,…
Category:
SCIENCE
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SCIENCE
Starts With A Bang Podcast #109 — Launching a galactic cone | by Ethan Siegel | Starts With A Bang! | Sep, 2024
This image shows galaxy NGC 3227, at left, with its neighbor NGC 3226, as…
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SCIENCE
Inflation and dark matter are not like string theory | by Ethan Siegel | Starts With A Bang! | Sep, 2024
The idea of String Theory is that our Universe came from a higher-dimensional, more…
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SCIENCE
Ask Ethan: Why are inertial and gravitational mass equivalent? | by Ethan Siegel | Starts With A Bang! | Sep, 2024
Here on Earth, in the gravitational field of our planet, there is no way…
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SCIENCE
What do unexpected experimental results actually tell us? | by Ethan Siegel | Starts With A Bang! | Sep, 2024
A view from above of the BES III detector at the electron-positron collider in…
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SCIENCE
7 unnecessary assumptions about life in the Universe | by Ethan Siegel | Starts With A Bang! | Sep, 2024
That the Universe exists and that we are here to observe it tells us…
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SCIENCE
Ask Ethan: Why don’t we feel the Universe’s expansion accelerating? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
The expanding Universe, full of galaxies and the complex structure we observe today, arose…
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SCIENCE
How far away are we from the location of the Big Bang? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
Artist’s logarithmic scale conception of the observable universe. The Solar System gives way to…
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SCIENCE
If the Big Bang wasn’t the first thing ever, what caused it? | by Ethan Siegel | Starts With A Bang! | Aug, 2024
The expanding Universe, full of galaxies and the complex structure we observe today, arose…
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SCIENCE
The Hubble tension: still unresolved, despite new measurements | by Ethan Siegel | Starts With A Bang! | Aug, 2024
The ‘raisin bread’ model of the expanding Universe, where relative distances increase as the…