Day 21 of the 2025 Space Telescope Advent Calendar: Warped Space. This Hubble view of Galaxy Cluster Abell 209, about 2.8 billion light-years away, shows more than 100 galaxies. The incredible mass of ...
Day 7 of the 2025 Space Telescope Advent Calendar: A Warped View Through an Einstein Ring. You are seeing two galaxies here, one in front of the other. The more distant spiral galaxy appears warped ...
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