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Cosmology
Starts With A Bang!
The Universe is out there, waiting for you to discover it.
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Cosmology
Ethan Siegel
in
Starts With A Bang!
Jul 18
Why doesn’t the expanding Universe break the speed of light?
Just 13.8 billion years after the hot Big…
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14
1 response
Ethan Siegel
in
Starts With A Bang!
Jul 16
Arguments against dark matter in the Bullet Cluster fall apart
The Bullet Cluster has, for nearly 20…
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284
2 responses
Ethan Siegel
in
Starts With A Bang!
Jul 15
Why humanity is a cosmic tale of despair and hope
On a cosmic scale, our existence seems insignificant…
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512
8 responses
Ethan Siegel
in
Starts With A Bang!
Jul 12
Ask Ethan: Is it all-or-nothing for the expanding Universe?
On the largest of cosmic scales, the…
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345
5 responses
Ethan Siegel
in
Starts With A Bang!
Jul 12
Starts With A Bang podcast #107 — Binary stars and modified gravity
The standard picture of our…
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78
Ethan Siegel
in
Starts With A Bang!
Jul 1
The Universe’s “dark ages” were briefer than we imagined
There was a time where no starlight was…
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212
2 responses
Ethan Siegel
in
Starts With A Bang!
Jun 21
Ask Ethan: Is the Universe finite or infinite?
The Universe’s history, from cosmic inflation to the…
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700
12 responses
Ethan Siegel
in
Starts With A Bang!
Jun 20
After 13.8 billion years, why hasn’t the Big Bang faded away?
Although the Big Bang occurred at an…
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478
7 responses
Ethan Siegel
in
Starts With A Bang!
Jun 11
No, new measurements can’t relax the Hubble tension
There are two different ways to measure the…
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327
5 responses
Ethan Siegel
in
Starts With A Bang!
Jun 7
Ask Ethan: Why didn’t the Big Bang become a black hole?
If you bring too much mass or energy together…
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483
4 responses