Previous Page...   Printer Version Science Constants - Absolute Zero Symbol: Value: -273.15 ° C Category: - Description: Absolute zero is the lowest possible temperature for any substance. At this point, atoms have no energy. Absolute zero if the starting point for the kelvin scale of temperature.   [ H O M E ] [ S C I E N C E ] [ M A T H S ] [ A S T R O N O M Y ] [ Download ] [ Shop ] [ Contact ] [ About ]