After a starquake, says NASA's Dr. Jon Jenkins, "stars actually change their shape. This shape change causes an apparent change in brightness. As we study the brightness variations in time, we can essentially hear the songs of the stars."
Gliese 581 may be small as stars go, but it looms huge in the vision field of planetfinders.
The type of multiple-planet solar system we live in isn't oddball at all, but is as humdrum as hairpins. That would, of course, be good news for those who hope to find extraterrestrial life.
Planet hunting is an extremely demanding venture as opposed to mapping the stars. Planets are buried in the cosmic ocean filled by the waves of star light.
The Hubble Telescope Found Organic Gas on an Extrasolar Planet: I don't know whether or not this distant planet has life or not but, you know what they say, where there's organic gas, there's butt sex.