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En busca del universo invisible
34 min read

El cosmos se expande cada vez más rápido y aún no sabemos por qué. En este episodio, nos adentramos en…

Jan 13, 2026
NASA Webb Finds Early-Universe Analog’s Unexpected Talent for Making Dust
6 min read

Using NASA’s James Webb Space Telescope, astronomers have spotted two rare kinds of dust in the dwarf galaxy Sextans A,…

Jan 6, 2026
Article
Hubble Constant and Tension
3 min read

We know that the universe is expanding. Astronomer Edwin Hubble, for whom the Hubble Space Telescope is named, discovered cosmic…

Aug 4, 2025
Mission
Why Webb’s Earliest Galaxies Are Blowing Scientists’ Minds
25 min read

With the James Webb Space Telescope, we are seeing the early universe like never before. Webb produces beautiful images and…

Jul 29, 2025
Bullet Cluster (Webb and Chandra Image)
1 min read

The Bullet Cluster is made up of two massive galaxy clusters. Webb shows a vast number of galaxies and foreground…

Jun 30, 2025
Image
Bullet Cluster (NIRCam Image)
1 min read

Webb captured the central region of the Bullet Cluster with its NIRCam (Near-Infrared Camera), revealing many more distant galaxies and…

Jun 30, 2025
Image
Bullet Cluster (Webb and Chandra Compass Image)
1 min read

Composite image of the Bullet Cluster combines near-infrared light from NASA’s James Webb Space Telescope, X-rays from NASA’s Chandra X-Ray…

Jun 30, 2025
Image
Bullet Cluster Hubble to Webb Fade
1 min read

Video fades between images of the Bullet Cluster taken by NASA’s Hubble Space Telescope and NASA’s James Webb Space Telescope.…

Jun 30, 2025
Video
NASA Webb ‘Pierces’ Bullet Cluster, Refines Its Mass
6 min read

NASA’s James Webb Space Telescope recently zeroed in on the Bullet Cluster — delivering highly detailed images that show a…

Jun 30, 2025
Article