âYou let your tour guide know how you much you enjoyed the experience they provided by your tip; 15% is average. Carriage Drivers: Similar to walking tours, when you pay $85 for a horse & buggy ride in St. Augustine, itâs hard to know how much to tip.
These objects are. launched into space and orbit Earth, or. another body in space, and carry instru-. ments for collecting information and. communicating it back to Earth. There are approximately 3,000 satellites operating. in Earth orbit, according to the US Government. There are another 8,000 dead satellites and rocket. parts in orbit. Smaller orbital debris or âspace junkâ. is of growing concern as it can damage active sat-. ellites. There are currently over 20,000 pieces of. trackable debris 3.6 inches (10cm) or larger result-. ing mostly from explosions and collisions.
A (not so) simple question: How many Mac users are there in the world? December 5, 2008 March 3, 2015 Damian Davila 11 Comments How many Mac users are there in the world? Pretty straigthforward, huh? Not so much. According to Apple in May 2006, there were about 15 million Mac OS X active users worldwide. In March 2007, the number of Mac OS X users was estimated to be 22 million strong, according to analysts at Bank of America Securities. The Leopard release generated about 6 million more users.