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What are 4 characteristics that astronomers use to dassify stars?
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What do astronomers use HR diagrams for?
To compare and classify stars.
What do astronomers use to study the property of the stars?
Some astronomers study how matter behaves using particle accelerators.
What location does NOT use latitude and longitude?
The sky. Astronomers use right ascension and declination as coordinates for locating stars, rather than latitude and longitude.
What method do astronomers use to determine the distance to a relatively close star like Sirius?
For nearby stars, the parallax method is used.
Why do astronomers use frequencies when investigating the universe?
It is because stars and other cosmic objects, radiate energy across the whole of the electromagnetic spectrum.
What are the different ways astronomers use to study stars?
the astronomers use Absolute magnitude
How do astronomers use infrared lights?
Astronomers use infrared light to map the dust in between stars.
What do astronomers use HR diagrams for?
To compare and classify stars.
What do astronomers use?
Astronomers can use their eyes to study the stars. They can also use various telescopes that either refract, reflect, and detect exotic formations.
What are the methods that astronomers use to identiy the composition of distant stars?
Spectroscopy.
How much do astronomers use spectral analysis to classify stars?
a lot
What is the standard unit astronomers use to measure the size of stars?
the sun
How can you use a cluster of stars in a sentence?
There was a cluster of stars that the astronomers were studying carefully.
Which wavelength of radiation do astronomers use to detect these hottest stars in our galaxy?
infrared
Which wavelength of radiation do astronomers use to find the hottest stars?
x rays
Why astronomers use to estimate the size of stars?
Because they cannot visit stars and measure their sizes with a tape measure!
How do astronomers measure the distance to nearby stars?
Astronomers use a method called parallax to measure the distance to nearby stars. Astronomers can measure parallax by measuring the position of a nearby star with respect to the distant stars behind it. Then, they measure the same stars again six months later when the Earth is on the opposite side of its orbit.
