(aka: "skyball", "pop up", "rainmaker") when a shot is hit off the top edge of the clubface resulting in a much higher trajectory than the club was designed to produce Example: "Kim skyed her drive 100 yards up and 100 yards out "
Generally happens after successful reading of the disc You make a huge jump to catch the disc
Observation to subtract from an OBJECT frame to perform first order sky subtraction
The vault-like apparent surface against which all aerial objects are seen from the earth
The visible portion of the celestial sphere On a dark night, the average person can see about 2000 stars