Examlex
The dust in the interstellar medium comes primarily from the stellar winds of main-sequence stars.
Economic Rents
Earnings in excess of the minimum amount required to keep a factor of production in its current use.
Aggregate
A total or combined amount, level, or sum of different components, often used in economics to describe collective economic indicators.
Equilibrium
A state in a market where supply equals demand, and there are no external forces prompting change.
Farmland
Land used for farming and agricultural production.
Q1: Comet nuclei, absent their tails, are very
Q5: The H<sup>-</sup> atom is important in protostars
Q7: If the Sun suddenly turned into a
Q15: A particular asymptotic giant branch star has
Q29: We detect neutral gas in the interstellar
Q39: As a white dwarf star gradually cools,
Q41: How do we measure directly that AGNs
Q52: Figure 1 shows an H-R diagram, with
Q60: The one orbital characteristic both short- and
Q61: Suppose you observe three star clusters. Cluster