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Based on the red-shift data on galaxies, most astronomers infer that the universe is currently
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
A star moving toward the Earth will have a spectrum containing
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
Which statement best describes galaxies?
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
A light year is
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
Billions of stars in the same region of the universe are called
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
The unit most used by astronomers to express the distances to other galaxies is
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
According to the big bang theory, the universe began as an explosion and is still expanding. This theory is supported by observations that the stellar spectra of distant galaxies show a
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
According to Hubbell's law more rapidly moving galaxies are now
expanding
galaxies
blue shifted lines.
Lightyears (LY)
shift toward the red end of the spectrum
further away from us
the distance traveled by light in one year
They may contain billions of stars in a space much larger than our solar system.
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