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Ask Ethan: Is it all-or-nothing for the expanding Universe?
Ask Ethan: Is it all-or-nothing for the expanding Universe?
On the largest of cosmic scales, the Universe is expanding. But it isn’t all-or-nothing everywhere, as “collapse” is also part of the…
Ethan Siegel
Jul 12
Starts With A Bang podcast #107 — Binary stars and modified gravity
Starts With A Bang podcast #107 — Binary stars and modified gravity
The standard picture of our Universe is that it’s dominated by dark matter and dark energy. But this alternative is also worth considering.
Ethan Siegel
Jul 12
The quantum physics behind fireworks displays
The quantum physics behind fireworks displays
From the explosions themselves to their unique and vibrant colors, the fireworks displays we adore require quantum physics.
Ethan Siegel
Jul 11
How the Solar System led planet-hunters astray
How the Solar System led planet-hunters astray
The structure of our Solar System has been known for centuries. When we finally started finding exoplanets, they surprised everyone.
Ethan Siegel
Jul 10
The scientist’s 10 commandments
The scientist’s 10 commandments
There are many things that separate science from ideology, politics, philosophy, or religion. Follow these 10 commandments to get it right.
Ethan Siegel
Jul 9
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