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The Moth and The Aurora: The Work of Étienne Léopold Trouvelot
On the life and the art of Étienne Léopold Trouvelot
6 hrs ago
•
Alastair Williams
2
2
The Week in Space and Physics: What Can Solar Twins Tell Us?
On solar twins, the absence of alien radio signals, a new baryon, and a new discovery on an old asteroid
Mar 26
•
Alastair Williams
18
8
5
The Strange Problem With Red Supergiants
Are the biggest stars vanishing without a trace?
Mar 19
•
Alastair Williams
31
5
5
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How to Learn Physics for Free
Oct 19, 2023
•
Alastair Williams
165
12
38
What Lies Beyond: Exploring Interstellar Space
Jun 15, 2023
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Alastair Williams
101
9
22
The Remarkable Underground Voyages of Michel Siffre
May 15, 2025
•
Alastair Williams
53
4
15
Starship: The Most Ambitious Spacecraft Ever Built
Mar 3, 2023
•
Alastair Williams
11
1
1
How Many Alien Civilizations Exist In Our Galaxy?
Nov 9, 2025
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Alastair Williams
19
2
How Dust on the Ocean Floor Hints at a Recent Near-Earth Supernova
May 29, 2025
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Alastair Williams
18
7
Great Observatories
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The Europa Clipper: Are There Oceans On The Second Moon of Jupiter?
On the Europa Clipper, the oceans of Europa and the possibility of life beyond Earth
Jun 17, 2025
•
Alastair Williams
19
1
6
How Gaia Mapped The Milky Way
On Gaia, the Tabula Rogeriana, and how we are building the first true map of our galaxy.
Mar 20, 2025
•
Alastair Williams
17
5
The Solar Probe: Time to Go Deeper Into the Sun Than Ever Before
On the solar probe, the Sun, and what it has told us.
Dec 22, 2024
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Alastair Williams
2
1
Science and Astronomy
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The Strange Problem With Red Supergiants
Are the biggest stars vanishing without a trace?
Mar 19
•
Alastair Williams
31
5
5
Data Centres In Orbit Are Just As Crazy As You Think
On the latest space hype
Mar 5
•
Alastair Williams
29
10
9
How to Learn Physics for Free - 2026 Edition
A guide for the curious
Feb 3
•
Alastair Williams
29
3
10
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The Week in Space and Physics: The Life of a Giant Star
On the changing nature of an extreme star, Isaacman's new approach to Artemis, a new view of comet 3I/Atlas, and more evidence in support of panspermia
Mar 11
•
Alastair Williams
14
3
Data Centres In Orbit Are Just As Crazy As You Think
On the latest space hype
Mar 5
•
Alastair Williams
29
10
9
The Week in Space and Physics: Atoms For Space
On the possibilities of nuclear propulsion, a vanishing star, the shape of Jupiter, and Artemis II.
Feb 24
•
Alastair Williams
20
1
7
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