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Why do astronomers use frequency?
Frequency or wavelength is used in the spectrum of astronomical objects in order to identify which chemical elements are present in the stars.
Why do astronomers find it necessary to identify the stars?
astronomy
Who uses numbers and greek or roman letters to identify stars in a constellaion?
Astronomers
What can a stars spectrum tell astronomers about a star?
What elements the star is made of.
How do astronomers identify elements of the stars?
Elements are identified based on their absorption spectra. Every element absorbs a unique set of frequencies when light passes through it. Scientists can determine which elements are present based on which portions of the star's light are absorbed.
Studying Fraunhofer lines helps to identify what on the stars?
Studying Fraunhofer lines helps to identify elements on the stars.
Identify two ways in which astronomers can use an H-R diagram?
Classify stars and to understand how stars change over time
What is similar between chemists and astronomers?
Chemists deal with the table of elements and the universe contains these elements. Astronomers study space and the planets stars and whatever else is in space contains these elements. Chemistry helped the U.S. to be the first to the moon.
Are scientists able to identify elements in stars by studying their spectral lines?
Yes, they are.
How do astronomers identify constellations?
Constellations are simply pattern of stars that with a little imagination, resemble objects, people or animals. You don't need anything to identify them other then your eyes and a little imagination.
What does astronomers?
Stars...
Who classifies stars?
Astronomers classify stars.
