Examlex
The emission lines from O III are called ____ because they are not visible laboratories on Earth due to the much greater pressure of the gas on Earth.
Sleeping Pill
A type of medication used to induce sleep or improve the quality of sleep in individuals with insomnia or other sleep disorders.
Insomnia
A sleep disorder where an individual has difficulty falling asleep, staying asleep, or experiences non-restorative sleep.
REM Sleep
A phase of sleep characterized by rapid eye movements, low muscle tone, and vivid dreams; associated with brain activity similar to wakefulness.
Sleep Apnea
An ailment disrupting sleep by causing breathing to pause or become shallow during the night.
Q2: Extremely old pulsars that have experienced large
Q2: Galileo proposed that the Sun is a
Q4: Kepler discovered that planets do not move
Q17: What observed feature of the Milky Way
Q19: In order to calculate the size and
Q24: Pulsars can be created by neutron stars
Q31: Cosmic rays are made of photons.
Q50: Many pulsars are not associated with supernova
Q52: Cepheid variables are useful in measuring the
Q65: An astronomer records the spectrum of light