Marked as lens

• by JasonJason

  upper right

  Posted May 19, 2013 9:03 AM

• by AlexandredOr

  My feeling it's not. The object is a star, unless error. Stars can't be lenses. I think it's not an arc but an edge on distant galaxy..

  Posted May 19, 2013 10:55 AM

• by JasonJason

  Any large mass object can create a gravitational lens

  Einstein, Albert (1936). "Lens-like Action of a Star by the Deviation of Light in the Gravitational Field". Science 84 (2188): 506–7. Bibcode:1936Sci....84..506E. doi:10.1126/science.84.2188.506. JSTOR 1663250. PMID 17769014

  Posted May 19, 2013 12:00 PM