🔬 Discovery

Flat galaxy rotation curves (dark matter halos)

Curvas de rotación planas y materia oscura en galaxias

Date
1970-1980 · confidence high
Place
Carnegie Institution (DTM), Washington D.C., United States
Credited to
Vera Rubin, Kent Ford
People
👤 Kent Ford1931–2023👤 Vera Rubin1928–2016
Field
Cosmos & Earth

What was discovered

Rubin and Ford showed that the outer stars of Andromeda and other spirals rotate as fast as the inner ones, which requires halos of invisible matter. It turned dark matter into a central problem.

The observations were made at Kitt Peak and Lowell.

What it led to

  • Dark matter halos
  • Cosmological simulations
  • Direct detection experiments
🕸️ View in the graph

Built on

Made possible

  • Spectrograph with image intensifier

Links