The Universe,
Explained Slowly

Cosmology

Why Faster-Than-Light Galaxies Break No Rules

Distant galaxies are receding faster than light. Physics permits it. Here is why the contradiction dissolves the moment you ask the right question.

Sep 04, 2026 14 min read 5 views

Astrophysics

The Dead Star Orbiting Sirius and What It Means

Sirius has a companion — a dead star the size of Earth. What it has already done to physics is remarkable. What it might do next is unsettling.

Sep 01, 2026 18 min read 10 views

Astrophysics

Why GN-z11's Black Hole Should Not Exist

A black hole from 400 million years after the Big Bang is feeding at five times the physical limit — and dismantling its own galaxy in the process.

Aug 31, 2026 16 min read 11 views

Astrophysics

Why We Cannot Reach Alpha Centauri

The nearest star system is visible to the naked eye. It also cannot be reached by any technology humans have ever built.

Aug 26, 2026 18 min read 14 views

Cosmology

Why the Giant Arc Should Not Exist

A curved structure 3.3 billion light-years long was found where physics says nothing that large can form. The debate is still running.

Aug 23, 2026 15 min read 19 views

Thermodynamics

Why Energy Cannot Be Destroyed

Energy seems to vanish constantly. Physics says otherwise — and the reason why goes deeper than most people expect.

Aug 21, 2026 17 min read 19 views