Measuring a galaxy’s brightness or apparent size is not a good guide to its distance. Hubble leveraged a discovery made by Henrietta Swan Leavitt 10 years earlier. She worked at the Harvard ...

A cosmic bullseye has been recorded by NASA's Hubble Space Telescope! The “arrow”—a much smaller blue dwarf galaxy—shot through the center of the enormous galaxy LEDA 1313424, causing it ...

This Hubble Space Telescope image captures the dazzling remains of a stellar explosion within the distant galaxy LEDA 132905, located over 400 million light-years away. Credit: ESA/Hubble & NASA, R. J ...

In a study that was published in The Astrophysical Journal Letters, astronomers used Hubble to find eight observable rings—more than any other observatory has ever seen in any galaxy—and used data ...

Hubble captures Type Ia supernova SN 2022aajn in Gemini Type Ia supernovae help measure cosmic distances accurately Observations aim to refine distance calculations ...

The subject of this NASA/ESA Hubble Space Telescope image is ... Supernovae of this type help astronomers measure the distance to faraway galaxies. This is possible because Type Ia supernovae ...

This NASA/ESA Hubble Space Telescope ... they can calculate its true distance. By using this method, astronomers can accurately determine how far away galaxies are. However, measuring these ...

M. Keck Observatory in Hawaii confirmed a ninth. Hubble and Keck also confirmed which galaxy dove through the Bullseye, creating these rings: the blue dwarf galaxy that sits to its immediate ...

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