Observing a comet in the privileged Solar System is somewhat tough . In the outer Solar System it ’s nigh - on unacceptable . So the thought of see one beyond , elsewhere in the galaxy , seems rather unbelievable .

But that ’s exactly what scientists have proposed is possible . The team –   from Northern Arizona University , the Carnegie Institution of Washington and the California Institute of Technology –   detail its   research in a paper issue in the journalIcarus .

It take note how , during the impact of cometShoemaker - levy en masse 9on Jupiter in 1994 , a noticeable flash of visible radiation was produced . " After the shock , sunlight that would have normally been absorbed by the large amount of methane in Jupiter ’s atmosphere was instead reflected by the cometic material from the impacts , " the cogitation explain .   " As a resultant … where the major planet would normally have low reflection , it lighten substantially and outride bright for at least a month . "

Using the same technique , the team   say it could be possible to see a jumbo   exoplanet short get hopeful when a comet strikes it . While exist telescopes are not sufficient to note such an issue , future telescopes like theJames Webb Space Telescope(JWST ) , due to launch in2018 , could do the line of work . " The good thing is that the needed technology is only one dance step above our current observational capability , " Ricardo Hueso of the University of the Basque Country in Bilbao , Spain , who was not involved in the subject ,   toldNew Scientist .

The method would require looking at a remote planet at near - infrared wavelengths , and it would also have to be a gasoline colossus like Jupiter or bigger in size to be obtrusive . Nonetheless , it ’s thought that the encroachment would be seeable for about a month . vernal solar systems that are full of debris would be good candidate to look for such impact .

And aside from just being pretty interesting , such observations have a scientific value , too . Observing cometic impact in immature arrangement , and come up out how often they go on , could have implications for our own Solar System . It ’s cerebrate that a comet or an asteroid may have been responsible for for transporting water , and even life , to Earth early in its account . Seeing impacts in a young organization could evoke such an event was plausible .