Examlex
The hydrogen Balmer line H has a wavelength of 486.1 nm in the laboratory. It is observed in a quasar at 2430.5 nm. What is the fractional change in wavelength or redshift z of this quasar?
School-Age Children
Children in the age range typically required to attend school, generally from about 5 to 18 years old.
Preconventional Level
Refers to the first level of moral reasoning in Kohlberg's theory, characterized by understanding morality based on consequences and personal benefit.
Moral Development
The process by which individuals learn and apply moral codes, values, and understandings of right and wrong across their lifespan.
Pleasure
A feeling of happiness or satisfaction derived from an experience that is enjoyable or fulfilling.
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