Question and answer
The theory says that the big bang produced the chemical elements hydrogen and helium. What evidence supports this? A. You find an abundance of both hydrogen and helium in all matter. B. The
composition of stars is mostly hydrogen. C. Astronomers found primordial gases with the expected ratio of helium to hydrogen. D. Primordial hydrogen gas was found and there is an abundance of both of these elements.
The answer is "Astronomers found primordial gases with the expected ratio of helium to hydrogen".
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User: The theory says that the big bang produced the chemical elements hydrogen and helium. What evidence supports this? A. You find an abundance of both hydrogen and helium in all matter. B. The composition of stars is mostly hydrogen. C. Astronomers found primordial gases with the expected ratio of helium to hydrogen. D. Primordial hydrogen gas was found and there is an abundance of both of these elements.

Weegy: The answer is "Astronomers found primordial gases with the expected ratio of helium to hydrogen".
bonaxle|Points 789|

User: What did scientists predict the big bang should have left? radiation, hydrogen, and helium radiation, helium, and redshift redshift, hydrogen, and helium dust, gases, and particles

Weegy: What did scientists predict the big bang should have left? radiation, hydrogen, and helium.
torngal68|Points 50|

User: How was CMB radiation first discovered? Penzias and Wilson were looking for it using a radio receiver. A radio receiver accidentally picked up its energy. Scientists saw it through a high tech telescope. A mission of the COBE satellite found it.

Weegy: It was first found accidentally by Arno Penzias and Robert Woodrow Wilson as they experimented with the Holmdel Horn Antenna.
icebelmonte|Points 140|

User: When scientists observed the light from stars and galaxies, they noticed that their color shifted toward the greenblueredviolet end of the visible color spectrum.

Weegy: When scientists observed the light from stars and galaxies, they noticed that their color shifted toward the blue end of the visible color spectrum.
Expert answered|selymi|Points 11631|

User: The redshift of a star means that _____. the star is moving closer to the sun the star is moving the star is about to explode the star is getting farther away

Weegy: The redshift of a star means that the star is getting farther away
Expert answered|selymi|Points 11631|

User: How has the Doppler effect and the redshift of stars and galaxies indicated that the universe is expanding? The Doppler effect says that the higher the frequency of waves, the further an object is moving from the observer. The color red has the shortest wavelength. The Doppler effect says that the lower the frequency of waves, the faster an object is moving toward the observer. The color red has the longest wavelength. The Doppler effect says that the frequency of sound or light waves is affected by whether the emitting object is moving toward or away from the observer. The color red has the longest wavelength. The Doppler effect says that the frequency of sound or light waves determines the color of an object. The color red has the longest wavelength. Question #10TextMultipleChoice Score: The Doppler effect indicates that the frequency of energy (sound or light) waves stays the samedecreasesincreases when an object is approaching and stays the sameincreasesdecreases when an object is moving away. Question #11MultipleChoice Score: Hubble's expansion law states _____. the distance of a galaxy is proportional to its recessional speedthe universe is expandinggalaxies and stars are making a redshiftthe distance of a galaxy divided by its recessional speed determines its redshift Question #12TextMultipleChoice Score: The blue end of the visible color spectrum has shortlongno wavelengths, and the red end has noshortlong wavelengths.

Weegy: Please ask your questions one by one
Expert answered|Sting|Points 5258|

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Asked 281 days ago|10/24/2013 9:03:13 AM
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Weegy: In physics, redshift happens when light or other electromagnetic radiation from an object moving away from the observer is increased in wavelength, or shifted to the red end of the spectrum. [ In general, whether or not the radiation is within the visible spectrum, "redder" means an increase in wavelength – equivalent to a lower frequency and a lower photon energy, in accordance with, respectively, the wave and quantum theories of ... (More)
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Weegy: You know if an object is coming or going from the brightness of the light. User: He originally suggested that galaxies are moving farther away. He also suggested that the distance of a galaxy is proportional to its recessional speed. He is _____. Georges Lemaitre Edwin Hubble Albert Einstein Robert Tolman Weegy: Father Georges Lemaitre User: Many scientists agree that the universe is about 13 billion1 billion30 billion years old. ... (More)
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