The comet is the third known interstellar object to pass through our solar system and is expected to make its closest approach to the sun in late October

Dr. Paul Chodas, director of the Center for Near Earth Object Studies at NASA's Jet Propulsion Laboratory in California, told The New York Times there is "no uncertainty" that the comet is from interstellar space,

NASA has discovered an interstellar comet that’s wandered into our backyard. The space agency spotted the quick-moving object with the sky-surveying Atlas telescope in Chile earlier this week, and confirmed it was a comet from another star system.