transient source
[træn'ʒənt sɔrs / træn'ʃənt sɔrs]
nounpl: transient sources
fonte transiente
1. A source of energy, radiation, or signal that appears temporarily or episodically, lasting for a brief, limited duration before disappearing or becoming inactive
The astronomers detected a transient source of X-rays near the black hole.
Os astrônomos detectaram uma fonte transiente de raios X perto do buraco negro.
2. In physics and engineering, a source that emits or produces something (energy, sound, light, etc.) in a non-continuous, temporary manner
The gamma-ray burst was identified as a transient source lasting only milliseconds.
O surto de raios gama foi identificado como uma fonte transiente durando apenas milissegundos.
3. In acoustics and vibration analysis, a source that produces sound or vibrations for a short time period
The impact from the hammer created a transient source of acoustic energy.
O impacto do martelo criou uma fonte transiente de energia acústica.
This is primarily a technical and scientific term used in astronomy, physics, and engineering fields. It gained prominence in modern usage with advancements in astrophysics and the detection of transient astronomical events like gamma-ray bursts and gravitational wave sources. The term is domain-specific and appears frequently in peer-reviewed scientific literature in both English and Portuguese academic communities.
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