During a roundtable discussion with journalists, Hayden Planetarium Director Neil deGrasse Tyson explains how he helped Superman find his home planet of Krypton. Tyson appears as a character in the recent DC Comics' ACTION COMICS #14, "Star Light, Star Bright." In real life, he consulted a star index and found a real star that supported the backstory of the comic. In this video Tyson explains how the real power of interferometry combined with Superman’s super powers could work together.
Re-post from Khan Academy