Smaller satellite galaxies caught by a spiral galaxy are distorted into elongated structures consisting of stars, which are known as tidal streams, as shown in this artist's impression. The new survey has, for the first time, shown the presence of such te
This NASA image obtained May of the Pinwheel Galaxy, or combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space telescopes. The Pinwheel galaxy in the constellation of Ursa Major (also known as.
Exploring Universe: Thomas Wright presents an alternate view of the Milky Way galaxy in cross section. Plates XXXI and XXXII show the universe filled with many systems like our own, each a star-filled shell surrounding its own "eye of Providence" - from A