Why many galaxies, seen edge on, are extremely thin

By Cosmic Tribune on April 3, 2016   Astronomy, Energy, Galaxies, Impacting, Milky Way, Out There, Time and Space  

[CLICK ON IMAGE FOR HIGH RESOLUTION, NASA, ESA, Hubble Legacy Archive; Processed & Copyright: Hunter Wilson] Why is this galaxy so thin? Many disk galaxies are actually just as thin as NGC 5866, pictured above, but are not seen edge-on from our vantage point. One galaxy that is situated edge-on is our own Milky Way […]