Fraunhofer Lines - 33 inch Spectroscope

School:: Alternative Schools
Subject:: Science
Teacher:: Richard (Bart) Thomas
Students Impacted:: 1000
Grade:: 9-12
Date:: September 9, 2024

0% Funded

Only $600.00 Needed

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Goal

In order to identify the elements in the sun then you need an instrument to show the solar absorption lines. I have been searching to find a device that enables you to see these absorption lines. These lines are called Fraunhofer lines and were discovered in the 1800's.
The goal is for students to see the absorption lines using a 33 inch spectroscope.

What will be done with my students

In order for students to understand how the solar absorption lines are produced, then students will learn how emission lines are formed when atoms get excited by absorbing an exact amount of energy of a photon. Gas spectral tubes are used by students to see the emission lines of different gases (elements) with a small hand held spectroscope.
The sun produces an absorption spectrum. Students will be able to see how many different elements are found in the sun by analyzing the absorption spectrum with the 33 INCH SPECTROSCOPE. The sun emits light in a continuous spectrum, but atoms of elements in its cooler atmosphere absorb wavelengths of light, leaving dark absorption lines. Students will look through the eyepiece of the spectroscope to see the absorption spectrum. This is a very unique opportunity for all students.

Benefits to my students

Stars surface temperatures can be identified by the strength of the absorption lines in their spectra. The sun is a G star meaning that the calcium lines are prominent along with neutral metals. You can see the prominent iron and magnesium lines in the green color of the spectrum.
The total spectrum is not shown.

This is an unbelievable opportunity for students to look through a 33 inch spectroscope to see the Fraunhofer (absorption) lines in our sun. This is an incredible device that can be used for years during solar outreach with schools and the community.

Budget Narrative

The 33 inch spectroscope cost. This includes the
shipping cost from Cincinnati, OH to Naples, Florida.

Items

#	Item	Cost
1	33 inch spectroscope with shipping	$600.00
	Total:	$600.00

0% Funded

Only $600.00 Needed

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Fraunhofer Lines - 33 inch Spectroscope

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What will be done with my students

Benefits to my students

Budget Narrative

Items

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