1 Putting green: The putting green, or green, is where the hole for each fairway is located. 2  Hazards: Also called traps, hazards are purposely-placed elements that are designed to be especially difficult to get a golf ball out of. 3  Common hazards include sand traps and bodies of water.. Know the object of the game. The object of golf is to strike the golf ball with a long-handled instrument called a club and guide it into each hole on the course in order. A number of holes, usually 9 or 18, are played and the final results are tallied after the last player has sunk the ball in the final hole.
(plural inner cores). 1  Used other than as an idiom: see inner ,â core. ( 2 planetology) The solid material found in the centre of some planets at extremely high temperature and pressure, distinct from the liquid outer core. ( 3 geology) The innermost part of the Earth, believed to be made of a nickel-iron alloy. 4  Link/Cite.
The outer core. The outer core is the next layer and surrounds the inner core. It is 1,806 miles from the Earth's surface and makes up 30.8 percent of the Earth's mass. Like the inner core, it is a molten liquid made mostly of iron and nickel. At 6,700 F, temperatures are slightly cooler in the outer core than the inner core.