Euclid Found an Entire Galaxy Made of Dark Matter
Jul 27, 2026 #Astrum #Space #Euclid
New images and discoveries from the Euclid Space Telescope.
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This Astrum supercut explores the most powerful survey telescope ever: Euclid. We’ll take a journey through Euclid’s most stunning images to date, and find out what it has discovered on its mission to map the dark universe.
To those returning and new to the channel: This video is a supercut of Astrum’s best Euclid videos, plus new and updated images and discoveries. We’ve edited this into a new seamless video, remastered in 4K resolution.
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0:00 Euclid Space Telescope
1:29 Expanding Universe
5:11 Dark Energy
8:10 What Is Dark Energy?
11:56 Euclid’s Instruments
13:39 Euclid’s Mission
16:55 The Mosaic
18:03 Perseus Cluster
19:34 Star Formation
23:22 The Hidden Galaxy
25:19 Horsehead Nebula
27:36 Einstein Rings
30:00 Euclid’s Problem
33:08 The Solution
35:17 Dark Galaxy
36:16 Centre of the Milky Way
37:54 The First Quasars
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References:
“Euclid Overview”, via esa.int https://astrumspace.info/euclid
“Discovery of an Accelerating Universe”, via harvard.edu https://astrumspace.info/reiss_1998
“What is dark energy?”, via nasa.gov https://astrumspace.info/darkenergy
“How Euclid Maps Dark Matter”, via esa.int https://astrumspace.info/euclidlensing
“Euclid Mission Ground Segment and Data Access”, via euclid-ec.org https://astrumspace.info/euclid_data
“AI Identifies New Gravitational Lens Candidates”, via phys.org https://astrumspace.info/ailensing
“Euclid Science Results”, via esa.int https://astrumspace.info/euclidscience
“Euclid’s Instruments”, via esa.int https://astrumspace.info/euclidtools
“Hubble, Euclid, Subaru Uncover Dark Galaxy”, via esa.int https://astrumspace.info/cdg2
“Euclid Discovers the Most Ancient Quasar”, via esa.int https://astrumspace.info/euquasar
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Credits:
Writers: Jon McColgan, Julia Masselos
Video Editor: James Horsley, Nathália Huzian, Alexandre Nowakowski
Audio Editor: James Horsley
Researcher: Shourya Shrivastava
Script Editor: Damaris McColgan
Thumbnail Designers: Peter Sheppard, Juane Dames
Publishing Lead: Georgina Brenner
Production Coordinator: Rose Unwin
Edit Producer: Poppy Pinnock
Head of Astrum: Jess Jordan
Creator of Astrum: Alex McColgan
With special thanks to:
NASA/ESO/ESA
#Astrum #Space #Euclid
Alex McCoan details how the Euclid Space Telescope utilizes advanced imaging to map dark matter and dark energy. By analyzing gravitational lensing and vast galaxy structures, Euclid provides unprecedented insights into the evolution of the cosmos and the fundamental laws of gravity governing the expansion of our universe.
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