Friday, January 9, 2009

Biggest Moon of 2009

Tomorrow night the full Moon will appear bigger in the night sky than during any other time in 2009. Saturday's perigee Moon represents the Moon's closest approach in its elliptical orbit. A slightly larger appearing perigee Moon was seen last month (see photo). The Moon's proximity significantly brightens the night and mildly increases the tides.

(image credit: Eric Ingmundson of Sparta, Wisconsin, science.nasa.gov)