2019 June 24
Anticrepuscular Rays Converge Opposite the Sun
Image Credit & Copyright:
Is there ever anything interesting to see in the direction opposite the Sun?
Sometimes there is.
Notable items include
your own shadow,
a shadow of the Moon during a total solar eclipse,
a full moon --
in eclipse if the alignment's good enough,
a full earth,
the gegenschein from interplanetary dust,
the center of a rainbow,
an airplane glory,
yet again different if your timing, clouds and Sun position are
This different effect starts with clouds near the
that are causing common
crepuscular rays to stream through.
In the featured rare image taken from an airplane in mid-April,
these beams were caught converging
180 degrees around,
on the opposite side of the sky from the Sun, where they are called
Therefore, it may look like
bright is shining at the
near the image center, but actually it is
reverse-shining because, from your direction, light is streaming in, not out.