Which Galaxy Type Contain Little or No Interstellar Dust or Gas

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Q39: All quasars appear to be<br>A) moving toward

Q49: The observation by Hubble that demonstrated for

Q95: Doppler measurements of the motions of stars

Q158: A particular galaxy appears round, with a

Q451: By 2004,the most distant galaxies astronomers were

Q453: The highest recession velocities that have recently

Q454: In 2004,a blazar of 10 billion solar

Q456: Where in space would you look for

Q459: The width (Doppler broadening)of the 21-cm line