July Moon at Perigee

   Our Moon reaches perigee, (closest to Earth), for this orbit, on Friday July 24th. At that time the Moon will be at a distance of 28.87 Earth diameters, 228,913 miles (368,400 km) from the Earth.

   On the day of the perigee Moon the 4-day old waxing crescent Moon will be over the southwestern horizon after sunset. Off to the east and just rising are the planets Jupiter and Saturn. However look toward the northwest to see Comet 2020 F3 (NEOWISE) below the stars of the Big Dipper.

   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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