Disturbing the Universe

David L Clements, science and science fiction

Professional Disagreement Over Galaxies Escalates Into Bullying And Harassment

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Kopitiam Bot

(Source: www.forbes.com)

NASA, ESA, and J. Lotz (STScI)

Look out into the distant Universe as far as you possibly can, and you’ll come to the earliest galaxies we’ve ever observed. The Hubble Frontier Fields program was designed to make exactly these kind of faint, deep observations, and an incredible amount of science has come of it. One of the most spectacular effects is that of gravitational lensing, where a large foreground mass, like a galaxy cluster, bends and magnifies the starlight from background objects even more distant than the cluster. The Hubble Frontier Fields program imaged many such clusters, enabling us to find some of the galaxies behind them: candidates for the deepest, most distant galaxies ever seen in the entire Universe.

ALMA (ESO/NRAO/NAOJ), L. Calçada (ESO), Y. Hezaveh et al.

Because these background, ultra-distant galaxies are so faint, however, despite the magnification, they’re often swamped by the light coming…

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Author: davecl

Astronomy, science, science fiction

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