Space is filled with a variety of objects, some blisteringly hot, some tremendously cold, but areas with little to nothing at all never drop to absolute zero thanks to a fossil relic left over from ...
At 0 Kelvin, or -273.15 °C (-459.67 °F), no heat energy remains. At absolute zero, particles stop moving all together. That's pretty cold! So what if we experienced absolute zero for five seconds?