Rogue planet
An Interstellar Nomad, that flows freely without orbiting any sun. Scientist believe such object may be ejected from its mother planetary system. There are many reasons for such situations. Maybe because of Dwarf star, that was unable to pull. Milky way Alone have Million to Trillion of Rogue planets.
Since 1998 we are able to discover rogue planets, about 250 planets are found till now.First planet OTS-44 was discovered by Spitzer Space Telescope and the Herschel Space Observatory OTS-44 is pair of two bodies one is orbiting around other gas giant. Where as they are not part of any solar system and not orbiting any other body.These Planet raised all sort of Questions “Thus these support life?” and “What do call planet that circulating a planet-sized object?”
Now Rogue planets are in headline. Because a new Earth size Rogue Planet has been found. Rogue planets has no star, therefore free roaming planets are difficult to spot. Astronomer found about 24 confirmed Rogue planets almost Jupiter sizes till now.