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Starlight bending and
lensing effect
Starlight bending: there are
two reasons for this phenomenon.
1) The
space matter that is released during
nuclear reactions create a denser region of space
matter around the Sun. 2) Because of the gravitational
pull that is exerted on the surrounding space matter, a
denser region of space matter is developed around the
Sun. When light passes from a rare medium to a denser
medium or vice versa, light will be refracted and
bended.
Lensing effect
(Gravitational lensing)
Considering a Galaxy, the distribution of matter
(stars, neutron stars, black holes etc) is not in
uniform. In some regions, the distribution of matter is
greater than other regions. Because of this, the space
matter density due to gravity and the rate of space
matter that is released due to the nuclear reactions in
the whole system will be greater. This difference in the
density of space matter creates the refraction of light.
In essence, the starlight bending and lensing effect,
both are simply the refraction of light and are good
demonstrations for the presence of space matter in
space. See image:
http://www.astronomy.ohio-state.edu/~ryden/ast162_6/gravlens.jpg
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