"A humongous space object that emerged from somewhere in space is slowly but surely making its way towards the core of our solar system..." By Andrei Dargalin via Sputniknews Headline Image: CC0 / Buddy_Nath / With its width currently estimated at about 93 miles (150 kilometres), the comet is approximately seven times bigger than one of Mars' moons. A humongous space object that emerged from somewhere in space is slowly but surely making its way towards the core of our solar system, though luckily it's not expected to actually reach the vicinity of Earth. The space rock, known as the Bernardinelli-Bernstein Comet and officially designated C/2014 UN271, is expected to make its closest approach to our planet in 2031 when it's expected to "brush" Saturn's orbit, Newsweek notes. As the outlet points out, while the average diameter of comets is about six miles (10km), the Bernardinelli-Bernstein is estimated to be 93 miles (150 kilometres) wide, making it one of the largest comets ever