The discussion centers on the concept of two or more gravitational lenses aligned with Earth, specifically exploring whether such a configuration could enhance the magnification of distant galaxies. Viktor T. Toth's theory paper, "Non-coplanar gravitational lenses and the 'communication bridge'," asserts that a two-lens system does not provide additional signal amplification compared to a single lens positioned near the source. This conclusion challenges the notion that multiple lenses could offer superior observational benefits.
PREREQUISITESAstronomers, astrophysicists, and students interested in gravitational lensing and its implications for observing distant galaxies.
Take a look at the theory paper Viktor T. Toth, Non-coplanar gravitational lenses and the “communication bridge”, which states in §6:zuz said:TL;DR Summary: 2 or more gravitational lenses
Has anyone ever discovered 2 or more gravitational lenses perfectly aligned with earth? So one lens magnifies the galaxies behind it and another lens between the first and earth magnifies it even more? Would you even be able to tell if they were?
Thank you.renormalize said:Take a look at the theory paper Viktor T. Toth, Non-coplanar gravitational lenses and the “communication bridge”, which states in §6:
"...in particular, a two-lens system (the so called gravitational lens “bridge”) delivers no advantages, no additional signal amplification over the amplification offered by a single lens near the source."