Examlex
If we found a star cluster at the edge of the disk of the Milky Way at a distance of 10 kpc from the center, which orbited with a velocity of 300 km/s, what would be the total mass enclosed within this radius?
Electroconvulsive Therapy
A medical treatment for severe mental illness where seizures are electrically induced in patients to provide relief from psychiatric conditions.
Antidepressant Drugs
Medications prescribed to relieve symptoms of depression by altering brain chemistry.
Moderate Depression
A mood disorder presenting with symptoms that are more severe than mild depression but not as intense as those found in major depression.
Second Messengers
Chemical changes within a neuron just after the neuron receives a neurotransmitter message and just before it responds.
Q4: What is the meaning of the phrase
Q10: In order from first to last, the
Q34: Globular clusters, when compared to open clusters,
Q43: Some evidence suggests that the people of
Q47: In 2001, Taliban authorities in Afghanistan ordered
Q49: We know that spiral galaxies contain dark
Q53: Name two predictions of the standard Big
Q57: What do astronomers mean when they say
Q68: Why do massive stars explode once they
Q88: What is a planetary nebula?<br>A) a planet