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What is the type of star used by Hubble to measure the distance to other galaxies?
what is the type of star used by the Hubble to measure the distance to other galaxies.
Which measure is not considered when measuring absolute magnitude?
Distance. Absolute magnitude is a measure of the intrinsic brightness of a star, independent of its distance from Earth.
Why are Light Years used to measure distance of stars from the Earth?
Because no other unit of distance is large enough. The closest star system to us is 4.2 light years away, which is about 25,000,000,000,000 miles.
How would you use the spectrum of a star to estimate its distance?
To estimate the distance of a star using its spectrum, you can first determine its spectral classification to ascertain its intrinsic brightness (absolute magnitude). Next, you measure its apparent brightness from Earth. By applying the distance modulus formula, which relates absolute magnitude, apparent magnitude, and distance, you can calculate the distance to the star. This method is effective for stars within a certain range of distances where their spectral properties are well understood.
Why would astronomers measure the parallax angle of a planet or star?
Astronomers measure the parallax angle of a planet or star to determine its distance from Earth. By observing the apparent shift in position of the object against the background stars as the Earth orbits the Sun, astronomers can calculate the angle and use it to estimate the object's distance.
What is the type of star used by Hubble to measure the distance to other galaxies?
what is the type of star used by the Hubble to measure the distance to other galaxies.
Who was the first to measure the distance of star other than the sun?
A German astronomer Friedrich Wilhelm Bessel
Is a unit used to indicate the distance of star?
Most of the time we use light years, but their are other units to measure distance such as parsecs and arcminutes.
How do astronomers use parallax to describe how we measure the distance to other stars?
Astronomers use parallax to measure the distance to other stars by observing how a star appears to shift its position against the background of more distant stars as the Earth orbits the Sun. By measuring this apparent shift, astronomers can calculate the distance to the star based on the angle of the shift and the known distance between the Earth and the Sun.
If a star's parallax angle is too small to measure what can you conclude about the star's distance from earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
Which measure is not considered when measuring absolute magnitude?
Distance. Absolute magnitude is a measure of the intrinsic brightness of a star, independent of its distance from Earth.
If a star's parallax angle is too small to measure what can you conclude about the star's distance from the earth?
It means that the distance is greater than a certain amount - depending on how precisely you can measure the parallax.
How is the distance to a star determined using the measure of parallax?
The distance to a star can be determined using the measure of parallax by observing the star from two different points in Earth's orbit around the Sun. By measuring the apparent shift in the star's position against more distant background stars, astronomers can calculate the star's distance based on the angle of the parallax.
How far are star?
Every star is a different distance. The distances are SO GREAT that we don't even measure them in miles - we measure them in light years, the distance light travels in a period of 365 days (almost six trillion miles)!! It's CRAZY !! The nearest star that we know of other than the Sun is about 4 light-years away.
What is the apparent movement of a star used to measure its distance from earth?
The apparent movement of a star used to measure its distance from Earth is called parallax. Astronomers observe how a star's position changes relative to more distant stars as Earth orbits the Sun, allowing them to calculate the star's distance based on the angle of this shift.
The most basic way to measure the distance to a star is?
The most basic way to measure the distance to a star is through parallax. This involves observing the shift in the star's position as seen from different points in Earth's orbit, allowing astronomers to calculate the star's distance based on its apparent movement.
Why does a star look smaller than another star but is bigger than the other star?
Normally you would observe the star's brightness, not its apparent diameter.The star's apparent brightness ("apparent magnitude") depends on its real brightness ("absolute magnitude"), and on the distance. Similarly, the star's apparent angular diameter (which is VERY hard to measure) would depend on its actual diameter, and on the distance.
