In the northern hemisphere, the longest day of the year when the Sun is farthest north. In the southern hemisphere, winter and summer solstices are exchanged. The summer solstice marks the first day of the season of summer. The declination of the Sun on the (northern) summer solstice is known as the tropic of cancer (23° 27′).
http://scienceworld.wolfram.com/astronomy/SummerSolstice.html
see http://cantonbecker.com/retrograde for details…
see http://cantonbecker.com/retrograde for details…
Considered one of the best showers each year, the Perseids produces about 60 meteors per hour. Starting at mid to late evening on the nights of August 11/12 and 12/13, watch for the Perseid meteors to streak across this short summer night from late night until dawn, with only a little interference from the waning crescent moon.