August Moon at Perigee

   Our Moon reaches perigee, (closest to Earth), for this orbit, on Friday August 21st. At that time the Moon will be at a distance of 28.50 Earth diameters, 225,868 miles (363,500 km) from the Earth.

   On the day of the perigee Moon the 3-day old waxing crescent Moon will be over the western horizon setting about 3 hours after the Sun sets. Rising over the eastern horizon are two of the giant outer planets, Jupiter and Saturn.

   Does our Moon actually go around the Earth as this graphic shows? From our perspective on the Earth the Moon appears to circle around the Earth. However, in reality, the Moon orbits the Sun together with the Earth*
   *Click here to read my 2006 Scope on the Sky column “The Real Shape of the Moon’s Orbit”. (PDF)

   
   
   
   
   
   

Click here to go to the Qué tal in the Current Skies web site for monthly observing information, or here to go to bobs-spaces.


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