Although Jonathan was 45 years old when David killed Goliath, it was probably this youthful valiancy of faith that formed the bond of love the friendship between David and Jonathan. c. In 1052 BC, Samuel was 52 years old when he anointed Saul at age 30 year old as king. 1 Sam 13:1. i.
If you're concerned about why zero Kelvin is the lowest possible temperature (a.k.a. absolute zero), it's simply because scientists have decided to make the Kelvin scale an absolute temperature scale - that means the lowest possible temperature, by definition, is zero Kelvin.
Absolute zero is the basis for the Kelvin scale, which defines 0 K as absolute zero. Created in 1848 by William Thomson, also known as Lord Kelvin, this temperature scale remains the predominant scale used in thermodynamic chemistry and physics.