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How can varble stars be used to determine the distance to globular clusters?
The idea is that CERTAIN TYPES of stars, including certain variable stars (such as Cepheids) have a known brightness; so if you observe their apparent brightness, you can calculate their distance.
The distance to nearby stars can be measured by using?
The distance to nearby stars can be measured using the parallax effect. Astronomers observe the apparent shift in position of a star against the background of more distant stars as the Earth orbits the Sun, allowing them to calculate the star's distance based on the angle of the shift.
Binary stars can be used to calculate the of stars?
Double stars, also called binary stars, are valuable to astronomers because they are the only stars of which astronomers can easily calculate their mass. They are bound to each other by gravity and orbit about a common center. The time it takes for one star to orbit the other depends on the distance between the two stars and their masses.
What process do scientist use to measure the distance of stars?
They use a complicated kind of trigonometry, looking at the apparent distance, light, and other different factors to calculate it.
How do astonomers measure the distance to nearby stars?
Astronomers use the unit of measure "Light Years" to calculate the distance between pretty much anything in the Universe.
What instrument measures the distance of the stars?
Astronomers use a variety of instruments to measure the distance of stars, including parallax, spectroscopy, and cepheid variable stars. The parallax method involves measuring the slight shift in position of a star when viewed from different locations in Earth's orbit. Spectroscopy analyzes the light emitted by stars to determine their composition and distance. Cepheid variables are stars that pulsate in a regular cycle, allowing astronomers to calculate their distance based on their brightness.
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.
Why does mathematics play an important role in science engineering and technology programs?
because we use it to calculate/measure things in science for example we use maths to calculate the distance of stars from the earth
Distance to nearby stars can be determined from?
Distance to nearby stars can be determined using the method of trigonometric parallax, which involves measuring the apparent shift in position of a star relative to more distant stars as the Earth orbits the Sun. This shift allows astronomers to calculate the distance to the star based on the angle subtended by the Earth's orbit.
Are all stars the same distance from earth explain?
Well, they clearly aren't for closer stars, astronomers measure the angle the star's light hits the Earth at 6 month intervals - as the Earth rotates around the sun at a known distance, it's simple geometry given the two angles and the diameter of the Earth's orbit to calculate the distance of the star in question and the distance varies.
How do you work out how long light takes from the sun to reach earth?
By using the parallax you can deduce the distance to all planets and many stars. [See related link]From that, simple math can calculate and distance to light speed.
How do astronomers measure the distance to nearby stars?
Astronomers use a method called parallax to measure the distance to nearby stars. By observing how a star's position changes when viewed from different points in Earth's orbit around the Sun, astronomers can calculate the star's distance based on the angle of this apparent shift.
