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they look at the star in, say, spring, then fall or summer then winter. we have to be on opposite sides of the star to see the parallax, so it takes about a year

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15y ago

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Do scientists use stellar parallax to determine a star's temperature?

No, scientists do not use stellar parallax to determine a star's temperature. Stellar parallax is a technique used to measure the distance to stars by tracking their apparent shift in position as the Earth orbits the Sun. A star's temperature is typically determined by analyzing its spectrum, which provides information about the star's composition and temperature through features such as absorption lines.


What can parallax be used to determine about a star?

Parallax is a method used to find the distances of stars.


What is parallax and how is it used to determine the distances to the stars?

Parallax is the apparent shift in the position of an object when viewed from different angles. In astronomy, parallax is used to measure the distance to stars by observing how their positions change as the Earth orbits the Sun. By measuring the angle of the shift, scientists can calculate the distance to the star using trigonometry.


How do scientists determine the element present in a star?

By the star's spectrum.


Is parallax a star?

The parallax refers to the apparent change in the star's position, due to Earth's movement around the Sun. This parallax can be used to measure the distance to nearby stars (the closer the star, the larger will its parallax be).


When is parallax used for?

A parallax is a change in apparent position, when YOU move. In astronomy, it usually refers to the change in the apparent position of a star, due to Earth's orbit around the Sun. It's there, whether you "use" it or not, but it is quite useful to determine distances of stars that are relatively close to us - since the farther a star is, the smaller will the parallax be. Even for the nearest star after the Sun, the parallax is smaller than one second (1/3600 of a degree).


What method do astronomers use to determine the distance to a relatively close star like Sirius?

Astronomers use the method of parallax to determine the distance to relatively close stars like Sirius. By measuring the apparent shift in position of the star as the Earth moves around the Sun, astronomers can calculate the star's distance based on trigonometry.


Which star would have a greater parallax the earth or the arcturus?

Earth isn't a star and doesn't (can't) have a parallax, becuse we use Earth's orbit as a baseline to measure parallax.


What is the difference between spectrum and parallax?

A Parallax is a thing in science A Spectrum is another thing in science :D Astronomers use these terms so if you are doing this for homework nice try. Try doing your own work for once.


Do scientists uses how far away the star is to determine the brightness of the star?

yes sometimes


Who was the first astronomer to use parallax?

In 1838 Friedrich Bessel was able to measure the parallax of the nearby star 61 Cygni and thus determine its distance and independenly confirm the fact that the Earth orbits round the Sun.


The parallax of a star is observed because?

Parallax helps because the bigger the parallax is the closer the star is. Knowing the distance helps to determine the "absolute magnitude" of a star, not just how bright it appears.