Observatory

Event Horizon Telescope (EHT)

Cosmology & Universe

Definition

A planet-scale network of radio telescopes that images the shadows of supermassive black holes.

Overview

By linking dishes across the globe (including ALMA) into a single Earth-sized virtual telescope, the EHT produced the first image of a black hole — M87* in 2019 — and of the Milky Way's Sagittarius A* in 2022.

What it measures

The Event Horizon

Knowledge connections

MeasuresThe Event Horizon
CapturedThe First Image of a Black Hole (M87*)
CapturedSagittarius A* — The Milky Way's Black Hole
Associated withThe Photon Sphere

Sources & references

Facts on this topic will be cited from these primary and reference sources.

Event Horizon TelescopeEvent Horizon Telescope Collaboration
Horizon-scale images of supermassive black holes (M87*, Sagittarius A*).

Quick facts

Type: Observatory
Years: 2017–

Quality & authority

31%

Unreviewed

Completeness: Complete
Source coverage: Partial
Citation coverage: None
Relationship coverage: Complete
Review coverage: None
Image coverage: None

Curated from authoritative sources. See source quality.

Scientific citations

Real, source-backed references — primary papers first, then datasets and institutional sources. Formatted through the citation engine; nothing is fabricated.

Institutional pageEvent Horizon Telescope

Event Horizon Telescope Collaboration

Cite (APA / BibTeX)

Event Horizon Telescope Collaboration (n.d.). Event Horizon Telescope. Event Horizon Telescope Collaboration. https://eventhorizontelescope.org/

@misc{cite:obs-observational_program-event-horizon-telescope,
  title        = {Event Horizon Telescope},
  organization = {Event Horizon Telescope Collaboration},
  year         = {n.d.},
  url          = {https://eventhorizontelescope.org/},
  note         = {Official page for Event Horizon Telescope.}
}

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