A bright ribbon of auroras shining over the Denmark Straight and Iceland. (Image credit: NASA Earth Observatory images by Michala Garrison, using VIIRS day-night band data from the Suomi National Polar-Orbiting
A bright ribbon of auroras shining over the Denmark Straight and Iceland. (Image credit: NASA Earth Observatory images by Michala Garrison, using VIIRS day-night band data from the Suomi National Polar-Orbiting
Look high above the southwestern horizon tonight (Feb. 23) to see the blue-white stars of the Pleiades open cluster glowing alongside the waxing gibbous moon, just hours before it reaches






