It is narrated from Sayyiduna Sahl bin Sa'd (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The people of Paradise will see a chamber among the chambers of Paradise just as a brilliant setting star is seen in the east and the west."
Hadith Referenceالمعجم الكبير للطبراني / باب السين / 5741