Kepler & K2 provide long-baseline, high-precision photometry for exoplanet and astrophysics research.
The basic and most common additional rule for Doubles play is that where a Double exists at the end of any train, the Double must then be 'satisfied' (laid against) in the next turn, even if the Double is on another player's train that is not marked.
Rules 1) Follow the instructions of the instructors. 2) You must not be under the influence of alcohol or drugs. 3) Do not cross any fences or earth banks to enter the Zorbing run. 4) Do not release the hand holds during a harness Zorb run. 5). Take care when entering and exiting the ball.