It lies on the border of the constellations Dorado and Mensa. While astronomers in the Southern Hemisphere saw them before Magellan's round-the-world voyage in , NASA said, the explorer and his crew were the first to bring that knowledge to the Western world. Magellan died during that voyage in the Philippines, but his crew provided documentation of the discovery upon their return to Europe. Even after telescopes were used by Galileo and others in the early 17th century, it would take several hundred years before astronomers could accurately calculate how far away the LMC, the SMC and other nearby galaxies are to Earth. Once cosmic distances were better understood through tools such as using " standard candles " objects with known luminosities, such as certain types of variable stars , the LMC was considered the closest galactic object to Earth until , when astronomers found the Sagittarius Dwarf Elliptical Galaxy, NASA said.