How to determine elements based on received frequency from Space?

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Discussion Overview

The discussion revolves around determining elements based on received frequencies from space, particularly focusing on the identification of substances like water (H2O) through spectroscopy. Participants seek reference materials and methods for analyzing electromagnetic waves to identify elements.

Discussion Character

  • Exploratory
  • Technical explanation
  • Homework-related

Main Points Raised

  • One participant inquires about methods to determine elements from frequencies received from space, specifically mentioning water (H2O).
  • Another participant suggests using spectroscopy and encourages searching for information on Google or Wikipedia.
  • A participant expresses difficulty in finding a reference library for elements based on spectroscopy and requests specific frequency information for electromagnetic waves.
  • One participant shares a website that provides extensive results for a specific wavelength range, indicating it as a useful reference library.
  • A follow-up question is posed regarding the specific frequency to monitor from space to determine the presence of H2O on Mars.

Areas of Agreement / Disagreement

Participants generally agree on the relevance of spectroscopy for identifying elements based on frequency, but there is no consensus on the specific frequencies needed for detecting substances like H2O on Mars.

Contextual Notes

Participants express limitations in finding comprehensive reference materials and specific frequency data, indicating a potential gap in accessible resources for this topic.

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I would like to know on how to determine the elements based on received frequency from Space?
Such as water H2O
Does anyone have any suggestions on where to find the reference materials?
Thanks in advance for any suggestions
 
Space news on Phys.org
Spectroscopy! Search on Google or Wiki for it and you should find loads of info.
 
Drakkith said:
Spectroscopy! Search on Google or Wiki for it and you should find loads of info.

It is hard to find any referrence library to search elements based on Spectroscopy, I find nothing with the first 2 pages of Google search.

I would like to know what the elements are on specific frequency of electromagnetic wave.

Does anyone have any suggested reference link? so I can look into it.

Thanks you very much for any suggestions
 
I found the following site, it seems to have a LOT of results. I typed in 4500-4600 for the wavelength range and it gave me about 500 results.

http://www.pa.uky.edu/~peter/atomic/
 
Drakkith said:
I found the following site, it seems to have a LOT of results. I typed in 4500-4600 for the wavelength range and it gave me about 500 results.

http://www.pa.uky.edu/~peter/atomic/

Thanks you very very much, it is a very good reference library

I get one question, if I would like to know whether H2O is present on Mars or not, what frequency should I monitor from Space?

Do you have any suggestions?
Thanks in advance for any suggestions
 
Last edited:

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