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Webb's 255-hour-long observation reveals invisible dark matter in a map containing nearly 800,000 galaxies

Started by Redaktion, February 01, 2026, 06:48:35

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Redaktion

Using its Near-Infrared Camera (NIRCam), NASA's James Webb Space Telescope peered into a region for a total of about 255 hours. This exceptionally long observation allowed astronomers to trace dark matter by studying how its gravity distorts and influences the light from distant galaxies.

https://www.notebookcheck.net/Webb-s-255-hour-long-observation-reveals-invisible-dark-matter-in-a-map-containing-nearly-800-000-galaxies.1217296.0.html

Citizen_not_Consumer

@Chibuike Okpara

Very interesting article, but can you please stop refering to James Webb telescope as "NASA's James Webb Space Telescope"?

It was built by a consortium of space agencies and research centers all around the world, including European Space Agency, Japan, Canada and many others.

Give the correct credit, or don't give at all.

opckieran

Quote from: Citizen_not_Consumer on February 01, 2026, 09:17:21@Chibuike Okpara

Very interesting article, but can you please stop refering to James Webb telescope as "NASA's James Webb Space Telescope"?

It was built by a consortium of space agencies and research centers all around the world, including European Space Agency, Japan, Canada and many others.

Give the correct credit, or don't give at all.

I'm sure you regularly credit America for CERN, given their significant and continual financial and talent contributions to the project, right?

Jameel AHMED

It's mind boggling innit? You get the best telescope in the world (or out of the world) to peer continuously for 255 hours and it comes up with some 800000 galaxies. That's 800000 multiplied by billions of stars in each galaxy!

🌌

Rom Bailey

Why are all the white specs of light red at the bottom, also what is the blue light as we are not supposed to be able to see dark matter, also if dark matter exists where is it.

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