Astronomers Spot What Could Be a Neptune-Sized Moon in a Distant Solar System
By scouring archival data from the now - retired Kepler quad scope , astronomers have found a promising new exomoon nominee , in what is an exceptionally rare find . To date , astronomers haveconfirmedthe existence of 4,884 major planet beyond our solar system , with another 8,414 waiting to be confirmed . Despite this , stargazer have yet to confirm the presence of an exomoon in area around any of these exoplanets ....