Katabatic Winds Deep Space These galaxies have very active

These galaxies have very active centres that can emit strong bursts of radiation

at far left

Credit: Subaru Telescope

By this point in the approach sequence

possibly explaining the bright tone visible here

Katabatic Winds Deep Space These galaxies have very activeOn February 24, 2009, cold northerly winds (perhaps Katabatic winds from Greenland) encountered moist air over the Greenland Sea, and their meeting generated dozens of parallel rows of clouds, commonly called cloud streets, in the skies around the island of Jan Mayen. The island added its own influence to the weather, creating an obstacle to the prevailing winds. Like water in a stream as it flows around a boulder, the wind diverged on the north side