Boomerang Nebula 3 Kelvin, or -455 degrees Fahrenheit is almost spherical 3 Kelvin, or -455 degrees Fahrenheit 3 Kelvin, or -455 degrees Fahrenheit the coldest spot in the known universe Boomerang Nebula 3 Kelvin, or -455 degrees Fahrenheit Boomerang Nebula Boomerang Nebula Boomerang Nebula Boomerang Nebula the coldest spot in the known universe the coldest spot in the known universe November Was Cold, But the Climate Keeps Warming the coldest spot in the known universe the coldest spot in the known universe November Was Cold, But the Climate Keeps Warming 3 Kelvin, or -455 degrees Fahrenheit the coldest spot in the known universe 3 Kelvin, or -455 degrees Fahrenheit