A CONTROVERSIAL, decades-old theory that the Earth is being bombarded daily
by house-sized snowballs from space resurfaced last week. And despite new
photographs that are supposed to show nine of these mini-comets, most
astronomers don’t believe they exist.
Space physicists Louis Frank and John Sigwarth from the University of Iowa
believe that around 30,000 ice balls weighing tens of tonnes collide with Earth
each day, vaporising as they enter the atmosphere and adding 580,000 tonnes of
water to the planet daily
(Â鶹´«Ã½, 12 July 1997, p 24). Frank
first put forward the theory after identifying numerous…
