Earth's rotation creates a force known as the Coriolis effect, which moves the jet stream - and any balloonist
hitching a ride - from west to east around the globe.
Glasgow-born Don Cameron, 59, is himself a record-breaking balloonist
Wearing sweat shirts with the Breitling logo and photos of the balloonists
on their backs, the team poured glasses of champagne to toast the end of the 20-day ordeal.
They had been taking place in an endurance competition against seven other teams of balloonists
trying to stay in the air for the longest time.
At least 20 attempts by balloonists
to circle Earth have been made in the past decade alone, and all but this one fell far short.
While all 10 balloons will depart from Bangor, their exact destination inside Europe will depend on the prevailing winds and how the balloonists
TWO British balloonists
forced to ditch in the Pacific last night blamed Richard Branson for ruining their round-the-world bid.
Andy Elson and Colin Prescot are poised to start crossing the Pacific today.
Other attempts by balloonists
to circle the globe have ended either from problems with the balloons or from poor weather.
He said the safety of the team, all veteran balloonists
, was not in jeopardy.
More than 800 balloonists
from 25 countries joined in the two-week festival.
But at 7:28, about 40 miles from their takeoff, the balloonists
reported a tear in the cell containing the balloon's helium gas.