Examlex
If two stars are emitting the same amount of light, the star that is farther will appear dimmer.
Temperature
A measure of the average kinetic energy of the particles in a substance, indicating how hot or cold the substance is.
°C
A unit of temperature on the Celsius scale.
Atm
A unit of pressure, short for atmosphere, equal to the pressure at sea level or approximately 101.325 kPa.
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