distant galaxies

What Was The First Evidence That Quasars Were Different From Astronomical Objects Before They Were Observed In Visual Wavelengths Quizlet?

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What Was The First Evidence That Quasars Were Different From Astronomical Objects Before They Were Observed In Visual Wavelengths Quizlet? What was the first evidence that quasars were different from astronomical objects before they were observed in visual wavelengths? Quasars emitted radio energy like active galaxies but appeared to be point sources in radio wavelengths.

Why Was There Probably No Life In The Galaxy 12 Billion Years Ago?

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Why Was There Probably No Life In The Galaxy 12 Billion Years Ago? There were no heavy elements. Why was there probably no life in the galaxy 12 billion years ago? Orbiting at a perfect balance. Why can’t we see a galaxy 15 billion light-years away? C. Because looking 15 billion light-years away means looking

Why Do We Think That Quasars Are Extremely Distant Quizlet?

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Why Do We Think That Quasars Are Extremely Distant Quizlet? Why are most quasars so far away? There is a greater volume of the universe that is far away than is nearby and quasars were more abundant in the past when galaxies were close together. This image shows four quasars around a galaxy. The redshift

Do All Stars Contain Galaxies?

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Do All Stars Contain Galaxies? No, not all stars are in a galaxy. They may have once belonged to a galaxy, but they are not a part of it any more. Some of these so-called “stellar outcasts” or “intergalactic stars” have actually been observed by NASA’s Hubble Space Telescope. Which constellation has most galaxies? The

What Determines The Future Of The Universe?

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What Determines The Future Of The Universe? Theories about the end of the universe. The fate of the universe is determined by its density. The preponderance of evidence to date, based on measurements of the rate of expansion and the mass density, favors a universe that will continue to expand indefinitely, resulting in the “Big

How Does Doppler Effect Prove The Universe Is Expanding?

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How Does Doppler Effect Prove The Universe Is Expanding? Edwin Hubble used the Doppler effect to determine that the universe is expanding. Hubble found that the light from distant galaxies was shifted toward lower frequencies, to the red end of the spectrum. … If the galaxies were moving toward Hubble, the light would have been