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OpenStudy (anonymous):

How does the HR diagram group stars?

OpenStudy (anonymous):

what your question is not making colplete sense plz re-write ur question. . .

OpenStudy (anonymous):

that way it asked it.

OpenStudy (anonymous):

This explains it better than I can: http://en.wikipedia.org/wiki/Hertzsprung%E2%80%93Russell_diagram

OpenStudy (anonymous):

how does an HR diagram group stars.

OpenStudy (anonymous):

ohk now i understand . . . i dnt know much about this topic. . .

OpenStudy (anonymous):

oh okay! and is the corona the suns outer atmosphere?

OpenStudy (anonymous):

Yes, the corona is the outer atmosphere.

OpenStudy (anonymous):

ok and one more question: How does a radio wave differ from a gamma ray?

OpenStudy (anonymous):

then these are the options: Frequency only Wavelength only Both the wavelength and the frequency Their speeds

OpenStudy (anonymous):

oops missed one: frequency only

OpenStudy (anonymous):

Both are electromagnetic waves. Gamma rays are very short wavelength, with very high energy. Radio waves have long wavelengths with low energy.

OpenStudy (anonymous):

so.... would it be both?

OpenStudy (anonymous):

Their speed will be the same, but the wavelength and frequency is different.

OpenStudy (anonymous):

so... what makes them different?

OpenStudy (anonymous):

What I said: gamma waves have short wavelength, high frequency. Radio waves have long wavelengths and low frequency.

OpenStudy (anonymous):

so both wavelength and frequency?

OpenStudy (anonymous):

Yes

OpenStudy (anonymous):

oh okay! i get it now!! yay

OpenStudy (anonymous):

thanks!

OpenStudy (anonymous):

welcome

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