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The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
WikiVisually
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
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Gravitational lens
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A gravitational lens is matter, such as a cluster of galaxies or a point particle, in sufficient quantity and density to bend light noticeably from a distant source as it travels toward an observer. T
One of Eddington's photographs of the 1919 solar eclipse experiment, presented in his 1920 paper announcing its success
One of Eddington's photographs of the 1919 solar eclipse experiment, presented in his 1920 paper announcing its success
Bending light around a massive object from a distant source. The orange arrows show the apparent position of the background source. The white arrows s
Bending light around a massive object from a distant source. The orange arrows show the apparent position of the background source. The white arrows show the path of the light from the true position of the source.
In the formation known as Einstein's Cross, four images of the same distant quasar appear around a foreground galaxy due to strong gravitational lensi
In the formation known as Einstein's Cross, four images of the same distant quasar appear around a foreground galaxy due to strong gravitational lensing.
This image from the NASA/ESA Hubble Space Telescope shows the galaxy cluster MACS J1206.
This image from the NASA/ESA Hubble Space Telescope shows the galaxy cluster MACS J1206.
Dark matter
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In astronomy and cosmology, dark matter is an invisible and hypothetical form of matter that does not interact with electromagnetic radiation, including light. Dark matter is implied by gravitational
Gravitational lens
…lensing field in any region. This, in turn, can be used to reconstruct the mass distribution in the area: in particular, the background distribution of dark matter can be reconstructed. Since galaxies are intrinsically elliptical and the weak gravitational lensing signal is small, a very large number of galaxies…
Hubble close-up on the Coma Cluster
Hubble close-up on the Coma Cluster
The Bullet Cluster
The Bullet Cluster
November 2025 JWST observations confirmed an actively growing supermassive black hole within a "little red dot" galaxy named CANUCS-LRD-z8.6.
November 2025 JWST observations confirmed an actively growing supermassive black hole within a "little red dot" galaxy named CANUCS-LRD-z8.6.