cosmic noise: meaning, definition, pronunciation and examples
LowTechnical
Quick answer
What does “cosmic noise” mean?
Radio frequency interference originating from outer space, primarily from celestial sources.
Audio
Pronunciation
Definition
Meaning and Definition
Radio frequency interference originating from outer space, primarily from celestial sources.
Any electromagnetic noise from cosmic sources that can affect radio communications, astronomical observations, or be studied for astrophysical insights.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or spelling differences; the term is identical in both dialects.
Connotations
Purely technical with no additional cultural connotations in either dialect.
Frequency
Equally rare in general usage but common in specialized fields like astronomy and telecommunications.
Grammar
How to Use “cosmic noise” in a Sentence
subject of verb: cosmic noise interferesobject of verb: observe cosmic noisemodified by adjective: intense cosmic noiseVocabulary
Collocations
Usage
Meaning in Context
Business
Rarely used; might appear in tech or aerospace industries regarding signal integrity.
Academic
Common in astronomy, astrophysics, and electrical engineering research papers.
Everyday
Very rare; only in popular science discussions or documentaries.
Technical
Frequently used in radio astronomy, satellite communications, and signal processing.
Vocabulary
Synonyms of “cosmic noise”
Strong
Neutral
Weak
Vocabulary
Antonyms of “cosmic noise”
Watch out
Common Mistakes When Using “cosmic noise”
- Using 'cosmic noise' to refer to audible sounds in space.
- Confusing it with 'cosmic microwave background', which is a specific type of cosmic noise.
FAQ
Frequently Asked Questions
Cosmic noise refers to random radio frequency signals originating from natural sources in outer space, such as stars, galaxies, and other celestial phenomena.
It is detected using radio telescopes and specialized receivers that capture electromagnetic waves in the radio frequency range.
It helps astronomers study the properties of celestial objects, understand the universe's structure, and can serve as a tool for calibrating instruments.
Yes, it can occasionally interfere with satellite communications, GPS signals, and other radio-based technologies, though mitigation techniques are often employed.
Radio frequency interference originating from outer space, primarily from celestial sources.
Cosmic noise is usually technical in register.
Cosmic noise: in British English it is pronounced /ˈkɒzmɪk nɔɪz/, and in American English it is pronounced /ˈkɑːzmɪk nɔɪz/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of 'cosmic noise' as static from the cosmos, like radio static from stars and galaxies.
Conceptual Metaphor
Often metaphorically used to describe unexplained background interference or 'chatter' in complex systems.
Practice
Quiz
What best describes cosmic noise?