Together with irregular galaxies, spiral galaxies make up approximately 60 percent of the galaxies in the local universe. However, despite their prevalence, each spiral galaxy is unique — like snowflakes, no two are alike. This is demonstrated by the striking face-on spiral galaxy NGC 6814.
Origen: Hubble Spies a Spiral Snowflake
Operation IceBridge, NASA’s airborne survey of polar ice, has returned from the Umanaq B mission along Greenland’s western coast. This top-down view from a NOAA P-3 aircraft shows the calving front of Sermeq Kujatdleq glacier. The Naircraft’s #2 lower engine nacelle and left main landing gear fairing is in the foreground at top.