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The size and color, at sometime, it will get too old and blow up, like a nova or supernova.
A young star is mostly hydrogen, undergoing nuclear fusion to form helium. As the star gets older, it has steadily more helium. Eventually, when it begins to run out of hydrogen, the helium will undergo fusion to form progressively heavier elements. By looking at the light from the star through a spectroscope, you can see markers that indicate the proportion of different elements, allowing you to estimate the star's age.
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Which is not a name that identifies mercury venus earth and mars?
"Stars" is a name which does not identify them.
What landforms identify the rivers age?
how high the water is or how wet the bank is
How are stars in the same star cluster simalar?
similar age and composition.
What two things does a stars absolute magnitude depend?
Mass and age.
Why does the Cepheid distance method fail us beyond about 20 Mpc?
I don't know for sure how far this method actually works, but at large distances, it may be difficult to make out individual stars, and even more to identify them as belonging to a certain class of stars.
Studying Fraunhofer lines helps to identify what on the stars?
Studying Fraunhofer lines helps to identify elements on the stars.
Why do astronomers find it necessary to identify the stars?
astronomy
How do you identify the constellation of stars?
we can easily identify constellation of stars.Constellation is a group of stars that appear to form some recognisable pattern or shape in the sky.some examples of constellation stars are Ursa majors,ursa minor,orion,cassiopeia.
What could be the type of maps that will help to identify the locations?
Star charts help identify the positions of stars.
What happen when stars age?
As with everything, stars age as well, and reach the end of their time. As stars age, they become different types of stars, based on how big they are, and how hot they are burning. When they run out of fuel, they eventually die.
How old are the stars irregular stars?
The same age as stars in other galaxies.
Who likes to lie under the stars on clear nights?
Identify the noun
How can I identify the age of my dog?
I am not sure
What instrument was used during the Age of Exploration to observe stars?
At the Age of Exploration they used telescope to observe stars.
Identify two ways in which astronomers can use an H-R diagram?
Classify stars and to understand how stars change over time
Who uses numbers and greek or roman letters to identify stars in a constellaion?
Astronomers
Are scientists able to identify elements in stars by studying their spectral lines?
Yes, they are.
