Calculate the age of the universe for the following Hubble’s constant, (a) 30 km/s/Mpc
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Q: Calculate the age of the universe when its temperature was 10¹¹ K.
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Q: If a galaxy is 9.1 Mpc away from Earth and recedes at 511 km/s, what is H0 (in km/s/Mpc)? 2. What…
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Q: If Hubble’s constant had a value of 85 km/s/Mac, what would be the age of the universe?
A: Given: If Hubble’s constant had a value of 85 km/s/Mpc.
Q: If a galaxy is 10.0 Mpc away from Earth and recedes at 520 km/s, what is Hubble's constant?
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A: first option is correct
Q: Estimate the temperature of the universe when it was approximately 1 minutes old
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Q: If a galaxy is 8.9 Mpc away from Earth and recedes at 497 km/s, what is H, (in km/s/Mpc)? km/s/Mpc…
A:
Q: What was the maximum age of the universe predicted by Hubble's first estimate of the Hubble…
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Q: Calculate the age of the universe for the following Hubble's constant, (a) 50 km/s/MDC
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Q: If a galaxy is 8.6 Mpc away from Earth and recedes at 511 km/s, what is H. (in km/s/Mpc)? km/s/Mpc…
A:
Q: Calculate the age of the universe when the temperature was 10¹ K.
A: The age of the universe when the temperature was 1013 K. Given, TemperatureT=1013 K
Q: If a galaxy is 8.8 Mpc away from Earth and recedes at 498 km/s, what is H0 (in km/s/Mpc)? _______…
A: The required value of Hubble’s constant is, The required value of Hubble time is,
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- Pretend that galaxies are spaced evenly, 7.0 Mpc apart, and the average mass of a galaxy is 1.0 ✕ 1011 M. What is the average density (in kg/m3) of matter in the universe? (Note: The volume of a sphere is 4/3pieR^3 and the mass of the sun is 2.0 ✕ 1030 kg.) ______ kg/m^3 Which model universe does this density value support? A: open B: flat C: closedIf a galaxy is 9.0 Mpc away from Earth and recedes at 510 km/s, what is H? What is the Hubble time?With the aid of one or more diagram, explain how observations of the CMB can be used to determine whether or not space is flat, positively curved or negatively curved. Describe two pieces of evidence that have led to the suggestion that the Universe contains Dark Energy.
- Calculate the Hubble constant for a universe that is 20 billion years old.If you observe light emitted from a distance object when the cosmic background temperature was Tz=54K, what is the redshift z of that light? At that redshift, what was the diameter Dz of the universe at that time compared to the diameter of today's universe D0?