IS THE DA VINCI GLOW? Five hundred years ago, Leonardo da Vinci
proposed an outlandish theory explaining why the Moon's surface glows
during the lunar night. Turns out, his idea was correct. This weekend
is a great time to see the "Da Vinci Glow" for yourself. Observing tips
and the full story of da Vinci's imaginative leap are highlighted on
today's edition of Spaceweather.com.
CORONAL HOLE TURNING TOWARD EARTH: A large hole in the sun's
atmosphere has formed and it is turning toward Earth. Solar wind
emerging from the opening could reach Earth as early as Dec. 6-7 and
influence the space environment of our planet for several days.