Holographic Universe // How It All Works - Light, Sound, & Mirrors
"The average temperature of outer space near Earth is 283.32 kelvins (10.17 degrees Celsius or 50.3 degrees Fahrenheit). In empty, interstellar space, the temperature is just 3 kelvins, not much above absolute zero, which is the coldest anything can ever get."
https://sciencing.com/temperatures-outer-space-around-earth-20254.html