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Through spectrography. Scientists can burn elements, including gases, in a laboratory and look at the light after it passes through a prism. Each element has a specific pattern of light lines and dark lines. By comparing the light from the Sun, or other stars, scientists can determine what elements are present and even in what ratio. You probably won't be able to do this at home with a simple prism but spectographers have access to highly sophisticated equipment. Something you can try at home using a spectroscope it, look at natural light vs. an incandescent light, and a flourescent light. You will see a difference. Some links are provided, and their use is encouraged.
What else can I help you with?
How do scientists know when the next eclipse will occur?
by knowing the placement of the sun ,earth and the moon
How do scientists know how the sun looks like from the inside like the core?
Theoretically, scientist do not know what the sun looks like through this perspective. The only way to know is to actually be there. However, research using inductive and deductive empirical reasoning to make accurate assumptions.
How do scientists know what the sun is made of?
Scientists know what the sun is made of by studying its spectrum. By analyzing the light emitted by the sun, they can identify the different elements present in its atmosphere based on the unique patterns of absorption and emission lines. This approach allows scientists to determine that the sun is mainly composed of hydrogen and helium, with trace amounts of other elements.
How do scientists know how old the moon is?
The nMoon was once a part of the Earth, so it is the same age as the earth.
Scientists have been able to find no atmosphere around this planet because it has little gravity and is closest to the sun. The planet described is -?
i dont know
How do scientists know that the sun is a million years old?
A million? The age is over 4 billion years.
How old do scientists believe the sun is?
Scientists believe that the sun is around 4.6 billion years old. This age is determined through the study of the formation of the solar system, the analysis of age-dating techniques for rocks and meteorites, and the use of computer models.
How did the scientists know the parts of the sun?
just incase if it goes out
What does radioactive dating allow scientists to determine?
To know about the age of relics.
How do scientists know when the next eclipse will occur?
by knowing the placement of the sun ,earth and the moon
List the three most famous scientists of the Hellenistic Age?
Aristarchus found out the planets revolved around the sun, not he sun revolved around Earth.
How do astronomers know what condition exist inside the sun?
While it is difficult to know exactly what is going on inside the sun, scientists make educated guesses. They have radio and optical telescopes and other instruments monitoring the sun all the time.
How do scientists know things about the sun if they can't get close to the sun?
they can use infra red glasses to look at the sun directly Question: but how do they know that there is a core in the sun. the infra red glasses cant just look straight through the sun??!
How do scientists know the age of the california redwood?
Two methods: - radiocarbon dating - dendrochronology
What did scientists measure to determine the approximate age of Niagara Falls?
I don't know what yet measured but I know that they used some trees to help calculate the age.
How do we know how the Earth orbits the Sun?
Scientists know how the Earth orbits the Sun through observations, calculations, and experiments. The laws of physics, particularly gravity, help explain and predict the Earth's movement around the Sun. By studying the positions of celestial bodies and analyzing data, scientists have determined the Earth's elliptical orbit and its yearly journey around the Sun.
What scientists found the sun?
Scientists did not find the sun. The sun has been visible to mankind since the dawn of time.
