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No. You can figure out exactly what elements are in stars and galaxies by examining the color spectrum of the light detected; the frequencies of the bright and dark lines in the spectrum tell you what's what. But there's a problem.
For distant galaxies, the light spectrum is wrong. The frequency lines of the spectrum are all too low. One possible explanation of the incorrect spectrum is that those stars and galaxies are MOVING AWAY from us, and that the spectrum is shifted toward the red end of the color spectrum because of the Doppler effect.
So scientists believe that the "red-shift" on the color spectrum of stars and galaxies indicate that they are moving away.
Not all galaxies show a red-shift; the Andromeda Galaxy, M31, shows a pronounced BLUE-shift, indicating that it is heading TOWARD us. In fact, scientists believe that the Milky Way and Andromeda will probably collide in about 3 billion years.
What else can I help you with?
Nearby galaxies may not show a redshift?
Nearby galaxies won't show much of a redshift, because they aren't moving away very quickly - or at all. For example, the Andromeda Galaxy, M31, is actually getting closer - and will collide with the Milky Way in about 3 billion years.
What Doppler shift do galaxies show?
Some nearby galaxies move towards us (blueshift), some move away from us (redshift). Galaxies that are farther away all move away from us (redshift); this means that the Universe is expanding.
What does the light from distant galaxies show red shift?
The light from distant galaxies shows redshift because the universe is expanding. As the galaxies move away from us, the light they emit gets stretched, causing its wavelength to increase and shift towards the red end of the spectrum. This redshift can help scientists determine the velocity at which galaxies are moving away from us and provide insights into the expansion of the universe.
The spectra of most galaxies show redshifts this means that their spectral lines are what?
The spectral lines of galaxies are redshifted, indicating that they are moving away from Earth. This redshift is typically a result of the expansion of the universe, causing galaxies to move further apart.
What do Stella spectrum of galaxies show about the big bang?
The spectrum of galaxies, including the distribution of their light, shows evidence of the expansion of the universe, as predicted by the Big Bang theory. The redshift of galaxy spectra indicates that galaxies are moving away from us, suggesting that the universe is expanding. This cosmic expansion provides crucial support for the Big Bang model of the universe's origin.
What evidence do you have that galaxies collide with one another?
Observations of galaxies captured by telescopes like the Hubble Space Telescope show distorted shapes and tidal tails, indicating interactions and collisions between galaxies. Redshift data also reveals galaxies gravitationally interacting and merging as they move closer together in the Universe. Computer simulations based on astronomical models also support the theory of galactic collisions.
What are galaxies which show no distinct feature or symmetry called?
Irregular galaxies show no distinct feature or symmetry.
The redshift of light from distant galaxy provides evidence that the universe is?
The red shifts show the galaxies are under centripetal force and the red shift indicates the centrifugal force. This indicates that the universe is in continuity, the centripetal and centrifugal forces are in balance.
What is a non example of a hypothesis?
A non-example of a hypothesis is a statement that lacks testability or a specific prediction, such as "The universe is vast." This statement does not make a specific claim that can be tested or measured. Instead, a good hypothesis would be something like "If the universe is expanding, then distant galaxies will show a redshift."
What color light must show on port side of boat?
Red
What color light must a row boat show after dark?
white
What color light must show on the left side of the boat?
Red
