"Ping-pong" planets bounce between stars Astronomy Now Online A gravitational ping-pong match lasting up to one million years could be in play between nearby binary stars, say Cambridge University scientists. It is widely accepted that planets can be ejected completely from a solar system, especially during the ...
See what's up in the night sky River Falls Journal --March 28, 8 pm, "Worlds Beyond the Solar System: Extra-Solar Planets" presented by Rellen Hardtke in Room 271 Centennial Science Hall and then at 8:30 pm telescope viewing (waxing crescent moon) on the third floor observatory deck.