Unknown to Lowell, his surveys had captured two faint images of Pluto on March 19 and April 7, 1915, but they were not recognized for what they were
पण लॉवेलला माहित नव्हते की त्याच्या नकळत मार्च १९ १९१५ला वेधशाळेने प्लूटोचे दोन अंधुक छायाचित्र घेतले होते.