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User contributions for Xenophonf

A user with 123 edits. Account created on 11 February 2006.
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9 February 2024

  • 17:2117:21, 9 February 2024 diff hist −18 Cosmic HorseshoeCorrected the co-moving distances to both the foreground and the background galaxies. Previous values referred to the galaxies' look back time and did not take into account the metric expansion of space. Calculations performed using Ned Wright's cosmology calculator at https://www.astro.ucla.edu/~wright/CosmoCalc.html.

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