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EARLY astronomers primarily used mathematics; that's why so many "early astronomers" are described as "mathematician and astronomer". Until the invention of the telescope in the early 1600's, there were no astronomical tools beyond the octant.
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How much do astronomers use spectral analysis to classify stars?
a lot
What is a Hertzsprung-Russell diagram and how do astronomers use it?
i really o not understand the significance of the question that is asking
Why do astronomers say on the sky rather than in the sky?
I've never heard anybody use the phrase "on the sky" in any context.
The method astronomers use to measure the distance to stars that are less than 1000 light years from earth?
The method called "parallax.
Did christopher Columbus use the scientific method?
no
How do early astronomers use telescopes?
The telescope wasn't invented until about 1604, so "early" astronomers had no telescopes.
What skills did the astronomers use when they discover neptune?
A telescope.
How is scientific notation useful to astronomers?
Since the numbers astronomers use are often very large or very small, they frequently use scientific notation to describe sizes and sentences in the universe.
What type of people use scientific notation?
People like engineers or astronomers.
What is scientific skills?
The ability to use the Scientific skill in an appropriate way.
What is the name for the skills scientists use to solve problem?
the scientific method?
How do astronomers use scientific notation?
To compute very large or very small numbers.
What are the different ways astronomers use to study stars?
the astronomers use Absolute magnitude
What other math skills do scientist use besides estimation?
scientific notation
How do astronomers use infrared lights?
Astronomers use infrared light to map the dust in between stars.
Where do astronomers snort coke?
They use the bathroom like anyone else in a house or building. They use the restroom, they are astronomers, not astronauts.
What are the 5 skills that scientists use to learn more about the world and make scientific progress?
The five skills are touch, hearing, smelling, tasting, and sight.
