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AStronomic nova or supernova (Ia), what peak intensity and wavelength to expect in the UV, extinction coefficient of ozone layer?
I note that the apparent magnitude of the Sun is about -27, so if their peak apparent magnitude of a type Ia supernova at 2630 light years is about -10 (I haven't checked this), then this represents a ...
- 135k
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Emission lines from atom (for example, neon)
To add another example to Roger V.'s answer
Low pressure sodium lamps produce a spectrally clean, brilliant orange/yellow glow discharge which comes from the so-called "d line" in the ...
- 96.6k
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Lyman and Balmer series
What you claim is not universally true. Whether we see Lyman and Balmer series lines in emission or absorption is a question of the geometry, temperature, density and the gradients of temperature and ...
- 135k
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