All Questions
Tagged with nebula spectroscopy
5 questions
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Why does infrared pass through clouds of gas and dust with minimal extinction?
Why do we use Infrared to view through clouds of gas and dust in space? I understand that it is because it can pass through without being absorbed, but why is this? My thinking is that it is because ...
- 1,097
3
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Nebula and its colors
A Nebula has bright awesome colors that include red, blue, green, orange, white, etc?
They're result of excitation of electrons.
Is there a clear explanation as to which color is attributed to an ...
- 793
7
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What are realistic and unrealistic values for the high energy gamma ray spectral indices of pulsar wind nebulae?
This summer, I was working on a project fitting very high energy gamma ray spectra of the Crab Nebula, a pulsar wind nebula. At energies about $\sim$1 TeV, a simple power law suffices, i.e. $\phi(E)\...
- 37.4k
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Does Nickel show up in spectra of Nova?
Does a nova, not a supernova, get hot enough that nickel is produced despite its formation by fusion being an endothermic reaction? If nickel is made, does it make it out of the star into the nebula?
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- 4,548
2
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Determining line ratios in planetary nebula
I know that the line strength ratio tells us how hot the electron plasma in a nebula is, and also give information about the electron densities in the nebula. But how do you compute the line ratios? ...
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