Planck

Space-based · 2009 · Earth–Sun L2, 1.5 million km

Type: Space-based
Location: Earth–Sun L2, 1.5 million km
Founded: 2009

Notes

Mapped the microwave background to the precision that every cosmological parameter now quoted — including the one at the centre of the Hubble tension — rests on.

Primary_Instruments [DB]

Planck Satellite

Referenced by

instrument

Planck Satellite

Open on the Cosmic Exploration shelf — the interactive card, the filters, and everything alongside it.

From the Observatories database in Notion, last edited 2026-08-15. This page is the row, rendered by the build; nothing on it is written by hand.