What is an occultation?
An occultation is whenever one object in the sky passes in front of another and temporarily obscures our view of that second object. As enormous as space is, different objects do still sometimes line up and when this happens we say that the nearer object has “occulted” the further one. Most occultations are caused by the Moon – it’s quite large and moves quite fast against the stellar background, so it occults any number of stars every day. Less often, … Continue reading →