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What is important about hubble's discovery that there is a red shift n the spectra of galaxies?
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What is important about Hubble discovery that there is a red shift in the spectra of galaxies?
that the universe is expanding(: YouR WelomE
What is important about the Hubble telescope's discovery that there is a red shift in the spectra of galaxies?
The Hubble telescope did not discover that there is a red shift in the spectra of Galaxies. The telescope is named after the American astronomer, Edwin Hubble, who discovered the phenomenon in the 1920s.
The discovery of a red shift in the spectra of galaxies provided evidence that the universe is?
expanding
What did the discovery of background radiation distributed evenly throughout the universe provide support for?
either starlight spectra or moving galaxies.
What has the author R F Mushotzky written?
R. F Mushotzky has written: 'X-ray spectra of clusters of galaxies' -- subject(s): Galaxies, Clusters, Spectra, X-rays
How would the spectra from galaxies appear?
They have broad emission lines of highly ionized elements.
Why can you use line spectra to measure the speed of galaxies?
The Doppler effect changes the position of well-known lines.
The spectra of most galaxies show redshifts this means that their spectral lines are what?
shifted towards the red end of the spectrum
The spectra of most galaxies show redshifts this means that their spectral lines?
have wavelengths that are longer than normal:)
Supported by observed red shifts in the spectra of galaxies?
This redshift is a strong indication that the Universe is expanding. The only reasonable explanation of this redshift is the Doppler effect, and this means that the galaxies are moving away from us. The greater their distance from us, the faster they move away.
In 1912 an astronomer at Arizona's Lowell Observatory noticed that the lines in the spectra of most galaxies shifted toward the red end of the spectrum Another American astronomer Edwin Hubble lat?
Galaxies are moving away from each other in a constantly expanding universe
What has the author T J Turner written?
T. J. Turner has written: 'PSPC soft x-ray observations of Seyfert 2 galaxies' -- subject(s): Seyfert galaxies, X ray astronomy, X ray binaries, X ray spectra
