News Planetary Science Planets without stars might have moons suitable for life With the right orbit and atmosphere, such a moon might stay warm for over a billion years Rogue planets (one illustrated) wander the galaxy alone rather than orbit a star. Such a planet’s gravitational action could create conditions for life to emerge on a tagalong moon, new research suggests. Interpott.nrw/Wikimedia Commons (CC BY-SA 4.0) Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Bas den Hond April 2, 2023 at 7:00 am NOORDWIJK, THE NETHERLANDS — Life might arise in the darkest of places: the moon of a planet wandering the galaxy without a star.