counterglow: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “counterglow” mean?
A faint patch of light in the night sky exactly opposite the sun's position.
Audio
Pronunciation
Definition
Meaning and Definition
A faint patch of light in the night sky exactly opposite the sun's position.
An astronomical phenomenon, also known as the gegenschein, resulting from sunlight reflecting off interplanetary dust particles concentrated near the Earth's orbit opposite the sun.
Dialectal Variation
British vs American Usage
Differences
No significant difference in meaning or usage. The term is used identically in scientific contexts.
Connotations
None beyond its precise technical definition.
Frequency
Extremely rare in both dialects, confined to academic astronomy texts.
Grammar
How to Use “counterglow” in a Sentence
The [astronomer/observer] observed the counterglow.The counterglow is visible in [location/conditions].Vocabulary
Collocations
Usage
Meaning in Context
Business
Not used.
Academic
Used in astronomy and astrophysics papers to describe the specific optical phenomenon.
Everyday
Virtually never used.
Technical
The primary context; used in observational astronomy and celestial mechanics.
Vocabulary
Synonyms of “counterglow”
Neutral
Weak
Watch out
Common Mistakes When Using “counterglow”
- Using it to describe any faint light in the night sky. It specifically refers to the anti-solar point. Confusing it with the zodiacal light, which is a broader band of light along the ecliptic.
FAQ
Frequently Asked Questions
No. The Milky Way is our galaxy seen from within, while the counterglow is a much fainter patch of light within our solar system caused by reflected sunlight on dust.
It is extremely difficult. It requires exceptionally dark, clear skies, no moonlight, and the observer to be at a high elevation. Most people will never see it.
It is caused by the backscatter of sunlight from interplanetary dust particles that orbit the Sun near the Earth's plane. These particles are most densely concentrated at the point directly opposite the Sun.
No, it is a very rare, technical term used almost exclusively by astronomers and serious amateur stargazers. The more common technical term is its German synonym, 'gegenschein'.
A faint patch of light in the night sky exactly opposite the sun's position.
Counterglow is usually technical/scientific in register.
Counterglow: in British English it is pronounced /ˈkaʊntəˌɡləʊ/, and in American English it is pronounced /ˈkaʊntɚˌɡloʊ/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think COUNTER (opposite) + GLOW (light). It's a glow of light in the sky directly counter to (opposite) the sun's position.
Conceptual Metaphor
N/A - It is a literal, scientific term.
Practice
Quiz
What is 'counterglow' a synonym for?