Astronotes Armagh Planetarium's Stellar Blog! ... Moon . ... You may initially think this is something that only an astrophysicist could describe but put in simpler terms, TLPтАЩs are the short-lived changes in brightness in areas on the surface of the moon, appearing as quick bright flashes, with some lasting seconds and some lasting for hours! ... They catalogued 579 lunar events from 1540 until 1967, one year before Neil Armstrong and Buzz Aldrin put their feet on its surface. ...