Sometime billions of years in the future, he predicts, the core and mantle could cool and solidify enough to meet the crust. If that happens, Earth will become a cold, dead planet like the moon. Long before such an occurrence, however, the Sun will likely have evolved into a red-giant star, and grown large enough to engulf our fair planet.
The term increment is occasionally used in physics and engineering to represent a small change in a parameter such as temperature, electric current, visible light intensity, or time. Also see Mathematical Symbols.
The verb to incur means to acquire or sustain a separate negative benefit from some act. The undesirable result is caused by the original action. Examples: In Greek mythology, certain acts by man were said to have incurred the wrath of the gods. The action was done either in ignorance, or in spite of the result.