Yesterday was the shortest day of the year....in the northern hemisphere.  Which means it was also the longest day of the year in the southern hemisphere.  This day can be on June 22, today, but that is rare.  Happened in 1975 and will next occur in 2203.  In 2024, this summer solstice, will occur on June 20, and will repeat through 2026, returning to June 21 in 2027.  D-Day, or  The Longest Day  of World War II, actually occurred on June 6, 1944. That missing Titanic-viewing sub  Titan  leads me to space tourism.  This underwater tour cost $250,000/person, and unless a miracle occurs, will signal the end of this form of adventure for awhile. Space tourism is becoming widespread for the truly rich, starting at a mere $125,000 for a relaxing 6-hour ride to the stratosphere in a ballon, to Virgin Galactic's $450,000 suborbital joy ride of 90-minutes to experience a few minutes of zero-gravity experience during descent, to  Blue Origin's $28 million  ( or maybe it will only be $9