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Very nice one......
1. The astronomers predict the distance between us and star.
2. The astronomers predict the age of star.
3. By noticing the intencity of light they predict the star is going away or coming near.
Wiki User
∙ 12y ago
Wiki User
∙ 13y agoFrom observation, it is possible to deduce a number of properties about a star. (Depending on the observational quality)
It's approximate distance from us.
It's spectral type.
It's temperature and thus colour.
It's size and therefore mass and gravity. Age can be approximated from this.
Whether it has any planets orbiting it, or is part of a binary, triple star system.
It's luminosity and thus absolute and apparent magnitude.
Wiki User
∙ 13y agoHumility.
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Astronomers study these to learn properties of stars?
this would be the emission and absorption lines in the light spectrum. certain elements absorb or emit wave lengths of light that is unique to that element. by studying the "rainbow" of the star astronomers can determine its properties and elements by looking at which wave lengths of light are absorbed or emitted.
What do you call a star that appears to pulsate?
A star that pulsates is known as a variable star.
What are the other instruments used by astronomers in gathering information about stars?
the star is the bigger than by the sun.the sun is the star
How do astronomers measure stellar luminosity?
The reference that astronomers use to compare the luminosity of other stars is the sun's luminosity. The luminosity is denoted in multiples of the sun's luminosity. For example, the luminosity of the star Sirius is 25 times the luminosity of the sun.
How do astronomers rate the magnitude of a stars?
Many astronomers use a common method known as terenateral. This is when they record the height of the corona on the star and use a unit of measurment known as hypengeroly.
What do astronomers do to-learn about properties of stars?
The almighty spectroscope, it breaks the holy light coming from the star into different colors so we can actually examine it's properties without going blind or incinerating ourselves.
What can we learn by studying star color?
The color of a star is a good indicator of its temperature.
What information can astronomers obtain by studying the spectra from stars?
They can obtain information about what elements are in the star; about the star's temperature; about whether the star is moving towards us or away from us; and partial information about the star's rotation.
What part of a star is it that astronomers study in order to learn its characteristics of a star?
Primarily, it's spectrum (it's light seen through a spectrograph).
Astronomers study these to learn properties of stars?
this would be the emission and absorption lines in the light spectrum. certain elements absorb or emit wave lengths of light that is unique to that element. by studying the "rainbow" of the star astronomers can determine its properties and elements by looking at which wave lengths of light are absorbed or emitted.
What is the most common usage for spectrometers?
A spectrometer is used to measure properties of light. The most common usage is as an instrument attached to a telescope for astronomers to measure the chemical elements in a star.
What can a stars spectrum tell astronomers about a star?
What elements the star is made of.
What are the instruments used by the astronomers to study star?
telescopes
Can a star be a physical properties of science?
Star is a noun and not the physical properties.
Who studies the star?
firstly, its " Who studies the stars?" the answer is astronomers
How do astronomers use the celestial sphere to plot a star's exact positions?
Astronomers use celestial spheres and mathematical equations to approximate the distances between the star and other celestial objects.
What do you call a star that appears to pulsate?
A star that pulsates is known as a variable star.
