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Starts With A Bang!
The Universe is out there, waiting for you to discover it.
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Age
Ethan Siegel
in
Starts With A Bang!
Jun 6
Is the “Methuselah star” really older than the Universe?
The Universe is precisely dated at 13.8…
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975
7 responses
Ethan Siegel
in
Starts With A Bang!
Apr 15
How we know the Universe is 13.8 billion years old
The Universe is 13.8 billion years old, going back…
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726
7 responses
Ethan Siegel
in
Starts With A Bang!
Jul 25, 2023
Is the Universe 13.8 or 26.7 billion years old?
For many years, cosmologists have claimed the Universe…
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1.2K
27 responses
Ethan Siegel
in
Starts With A Bang!
Dec 2, 2022
Ask Ethan: How do we know the Universe is 13.8 billion years old?
We confidently state that the…
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580
6 responses
Ethan Siegel
in
Starts With A Bang!
Nov 25, 2022
Ask Ethan: When do we start counting the age of the Universe?
The Universe is 13.8 billion years old…
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350
6 responses
Ethan Siegel
in
Starts With A Bang!
Apr 6, 2022
Wow! The Milky Way is almost as old as the Universe itself
Galactic archaeology has uncovered a…
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253
6 responses
Ethan Siegel
in
Starts With A Bang!
Oct 29, 2021
Ask Ethan: How do we know the universe is 13.8 billion years old?
It’s been precisely 13.8 billion…
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183
3 responses
Ethan Siegel
in
Starts With A Bang!
Jun 23, 2018
Ask Ethan: How Do We Know The Age Of The Solar System?
We’ve all heard the number: 4.5 billion years…
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1.98K
3 responses
Ethan Siegel
in
Starts With A Bang!
Sep 14, 2017
The Greatest Cosmic Puzzle: Astronomers Find Stars That Appear Older Than The Universe
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3.4K
40 responses
Ethan Siegel
in
Starts With A Bang!
Jul 31, 2015
Ask Ethan #99: How do we know the age of the Universe?
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39
1 response