Astronomy Picture of Day: Abell 1689# Astronomy - 天文
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Abell 1689 Warps Space
Credit: N. Benitez (JHU), T. Broadhurst (Hebrew Univ.), H. Ford (JHU), M.
Clampin(STScI),
G. Hartig (STScI), G. Illingworth (UCO/Lick), ACS Science Team, ESA, NASA
Explanation: Two billion light-years away, galaxy cluster Abell 1689 is one of the most
massive objects in the Universe. In this view from the Hubble Space Telescope's Advanced
Camera for Surveys, Abell 1689 is seen to warp space as predicted by Einstein's theory of
gravity --
Credit: N. Benitez (JHU), T. Broadhurst (Hebrew Univ.), H. Ford (JHU), M.
Clampin(STScI),
G. Hartig (STScI), G. Illingworth (UCO/Lick), ACS Science Team, ESA, NASA
Explanation: Two billion light-years away, galaxy cluster Abell 1689 is one of the most
massive objects in the Universe. In this view from the Hubble Space Telescope's Advanced
Camera for Surveys, Abell 1689 is seen to warp space as predicted by Einstein's theory of
gravity --