Help Map The Moon . ... Credit Copyright: Galileo Project , JPL , NASA Explanation: You can help map the Moon . Early tomorrow morning (Saturday, September 12) the Moon will occult , or pass in front of, the bright star Aldebaran as viewed from some Southern and Eastern areas of the U.S. as well as regions in the Caribbean Sea, Nova Scotia, Newfoundland, Mexico, and Central America. Aldebaran will disappear behind the bright edge of the third quarter moon and reappear behind the darkened edge. ...