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This Hubble Space Telescope image features a remote galaxy, which appears as a red arc that partially encircles a foreground ...
This NASA/ESA Hubble Space Telescope image offers us the chance to see a distant galaxy now some 19.5 billion light-years ...
The discovery in 1998 that the Universe is expanding faster over time shook the foundations of cosmology. This finding ...
The role of gravitational lensing in forming an Einstein ring Gravitational lensing happens ... of powerful space telescopes such as Euclid and Hubble can they be observed. Their rarity and ...
creating a ring-like shape. This effect, called gravitational lensing, is a direct consequence of Einstein’s theory of general relativity, which describes how massive objects can warp the fabric ...