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Long-Period Variable শব্দের বাংলা অর্থ: দীর্ঘমেয়াদী পরিবর্তনশীল
Long-Period Variable Meaning In Bengali দীর্ঘমেয়াদী পরিবর্তনশীল
Long-Period Variable
Definition
1) In astronomy, a long-period variable refers to a type of variable star that exhibits periodic changes in brightness over an extended period of time, typically ranging from a few months to a few years.
2) Long-period variables are characterized by their slow and gradual fluctuations in luminosity, which can be observed through the use of telescopes and photometric measurements.
3) These stars are often red giants or supergiants that pulsate in size and temperature, causing their brightness to vary periodically as they expand and contract.
Examples
Long-Period Variable Example in a sentence
1) Long-period variable stars change in brightness over several months or even years.
2) Astronomers study long-period variable stars to understand their evolution.
3) The brightness variations of long-period variable stars are a result of their pulsations.
4) Long-period variable stars are characterized by their slow changes in luminosity.
5) Some long-period variable stars have periods that can range from a few hundred days to several thousand days.
6) The study of long-period variable stars helps astronomers in determining their distances from Earth.
7) Long-period variable stars play a crucial role in mapping out the structure of our galaxy.
8) The light curves of long-period variable stars exhibit regular patterns of brightening and dimming.
9) Long-period variable stars are often classified based on the shape and duration of their brightness variations.
10) Amateur astronomers can observe and track the changes in brightness of long-period variable stars for scientific study.
Part of Speech
Long-Period Variable (Adjective)
Synonyms
Encyclopedia
In astronomy, a long-period variable refers to a type of variable star that exhibits periodic changes in brightness over an extended period of time, typically ranging from a few months to a few years.
Long-period variables are characterized by their slow and gradual fluctuations in luminosity, which can be observed through the use of telescopes and photometric measurements.
These stars are often red giants or supergiants that pulsate in size and temperature, causing their brightness to vary periodically as they expand and contract.
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