While hypervelocity planets may be ejected by themselves, they are too small to be viewed on their own. However, planets that orbit fleeing stars can be observed. The article notes that the Dartmouth researchers—whose work is based on computer modeling—are optimistic that astronomers will be able to observe the planets orbiting hypervelocity stars using telescopes. Ginsburg told Time, “We think it’s worth looking. And if observers don’t find any in this first round, they can wait for more hypervelocity stars to turn up.”
Read the full story, published 3/26/12 by Time.