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What is the typical composition of a star?
A typical star is primarily composed of hydrogen (~74%) and helium (~24%), with traces of heavier elements like carbon, oxygen, and iron. The core of a star undergoes nuclear fusion, where hydrogen is converted into helium, releasing energy in the form of light and heat.
What are the stars in perseus names?
The stars in Perseus are: Mirphak Algol Atik epsilon Persei gamma Persei delta Persei rho Persei eta Persei nu Persei kappa Persei omicron Persei tau Persei Menkib phi Persei iota Persei theta Persei mu Persei lambda Persei psi Persei sigma Persei omega Persei pi Persei
The center of every solar system is?
A star, or stars.
Name the stationary star?
There is no stationary star anywhere in the universe.
What orbits a star and reflects the stars light?
Many planets around each star reflect the star's light. For example think about Earth's orbit around the sun, a big star
What effect will a nova have on a star?
It will destroy it in a cataclysmic explosion.
How do you describe a variable star?
A variable star is a star whose brightness as seen from Earth that fluctuates.
Heavenly body with periodically changing luminosity?
Variable stars are those that have changing luminosities. There are two kinds of variable stars: intrinsic (where the variation is due to physical changes in the star), and extrinsic (where the variation is due to the eclipse of one star by another, or due to the effect of stellar rotation). They can be further divided into five different classes: the intrinsic pulsating, cataclysmic, eruptive variables, extrinsic eclipsing binary, and rotating stars.
How do you describe variable stars?
A variable star is a star whose brightness as seen from Earth that fluctuates.
When was American Association of Variable Star Observers created?
American Association of Variable Star Observers was created in 1911.
What is the period of the variable star betelgeuse?
Betelgeuse is a semi-regular variable star, meaning it does not have a consistent period like a regular variable star. Its brightness fluctuates irregularly over periods of months to years.
Is stars shining an example of s continuous variable?
No, it is a continuous process but not a continuous variable. The magnitude of star-shine, across all stars is a continuous variable. The magnitude of a star's shine over time is a continuous variable.
How old is a star?
A Supernova is not a particular star. A supernova is a cataclysmic event that occurs at the end of a high mass star life. They have been occurring for billions of years, and will continue to do so for billions more. Therefore it is not possible to put an age to it.
Which if these is a pulsating star?
A pulsating star is a type of variable star that undergoes periodic changes in brightness due to expansions and contractions in its outer layers. Examples include Cepheid variables and RR Lyrae stars, which exhibit regular cycles of brightness changes. These stars are important for measuring cosmic distances, as their pulsation periods are directly related to their intrinsic luminosities.
When do you say that stars are dead?
When the star no longer undergoes nuclear fusion.
How is the lifetime of a star comparable to stellar evolution?
Stellar evolution is the term for the changes a star undergoes during its lifetime.
A star whose brightness changes?
A star who's brightness changes is called a variable star.Examples are:AlgolPolarisBetelgeuse.See related link for more information.
