If the scale factor of Zing's universe is 1 today, what was it when the light from SN55 first set out?
Q: Calculate the age of the universe if the Hubble constant were 65 km/s/Mpc.
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Q: If the active core of a galaxy contains a black hole of 106 MSun , what will the orbital distance be…
A: Given: The mass of the black hole is 106 MSun. The orbital period is 1 hr.
Q: How would I calculate the age of the universe in billions of years from the Hubble constant (73.48…
A: Everything that exists resides in the universe, including the Earth, planets, stars, space, and…
Q: Suppose that the outer stars of a galaxy have an orbital velocity of 150 km/s. If the radius of the…
A: Given data: rgalaxy=4 kpcv=150 km/s Need to determine the orbital period of the outer stars.
Q: What would be the Hubble constant if the universe were 18 billion years old?
A: The age of universe is given as, t = 18 billion years (or) t = 18×109 years TO DETERMINE: The…
Q: Using our example from the previous unit, let's try to determine the Hubble time for this example…
A: Solution Given dataSpeed v=4000km/sDistance d=20Mpcwhat would the age of that universe be in…
Q: given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years)…
A: Given: a (distance to center of galaxy in AU) = 1,717,914,439 AU P (suns orbital period in years) =…
Q: random times over the last 1010 years. The rate of star formation is simply the number of stars…
A: Number of stars in our milky Way galaxy is N=9×1010 Time taken in the formation of a plane
Q: What if the Andromeda galaxy were to disappear How long before we would notice?
A: About 2.5 million light-years separate our solar system from the Andromeda galaxy. If it vanished,…
Q: Indicate whether the following statements are true or false. (Select T-True, F-False. If the…
A: T T T F T T
Q: Calculate the age of the universe for the following Hubble's constant, (b) 65 km/s/Mpc
A: As per Hubble's law, the universe is expanding. If we assume that the expansion's apparent velocity…
Q: Explain how the Hubble constant, H0, can be used to make an estimate for the age of the Universe.…
A: Hubble's Law gives us the conclusion that the universe is always expanding. It takes very short…
Q: How often (in years) does a planetary system form in our galaxy?
A: Number of stars in our galaxy = 3 x 1011 stars time to consider = 1010 years rate of star formation…
Q: Suppose that stars were born at random times over the last 1010 years. The rate of star formation is…
A: Given that, The total number of stars in the Milky way is N=8×1011 And the stars were born at random…
Q: What is the estimated age of the Universe (in years) if the Hubble constant is 70 km/s/Mpc?
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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…
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Q: Calculate the age of the universe for the following Hubble's constant, 200 1... - N (d) 20 km/s/Mpc
A: As per Hubble's law, the universe is expanding. If we assume that the expansion's apparent velocity…
Q: If the Hubble's constant was 100 km/s/Mpc instead of 70 km/s/Mpc what would be the estimated age of…
A: It was observed that the galaxies were moving away from us. Edwin Hubble calculated their recession…
Q: The Tully-Fischer method relies on being able to relate the mass of a galaxy to its rotation…
A: Given: Distance of galactic center of Milky way r = 50 kpc r=50kpc3.086×1019m1kpc=154.3×1019m.…
Q: Calculate the age of the universe for the following Hubble's constant, (a) 50 km/s/MDC
A: As per Hubble's law, the universe is expanding. The recessional velocity of galaxies is directly…
Q: Calculate the age of the universe for the following Hubble's constant, m (c) 80 km/s/Mpc Of
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Q: Astronomers frequently say that "there are more stars in the universe than there are grains of sand…
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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,
Q: What is the estimated age of the Universe (in years) if the Hubble constant is 80 km/s/Mpc?
A: Hubble constant (H) = 80 kms-MpcUsing , 1 Pc = 3.08×1016 m= 80×1000 ms×106×3.08×1016 m = 2.59×10-18…
Q: The Sun is moving at 220 ??/? around the Galactic Center at a more-or-less constant distance of 8.5…
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Q: In the reading, you were told that there were roughly 10,000 galaxies in the image of the Hubble…
A: Given: one image of hubble ultra deep field is roughly 10 square arcminutes. Number of galaxies in…
Q: Calculate the age of the universe for the following Hubble’s constant, (a) 30 km/s/Mpc
A: As per Hubble's law, the universe is expanding. The recessional velocity of galaxies is directly…
Q: If a standard passenger aircraft can fly at 0.32 km/s (716 mph), how long (in yr) would it take to…
A:
Q: The Tully-Fischer method relies on being able to relate the mass of a galaxy to its rotation…
A: Given: Distance of galactic center of Milky way is r=50kpc3.086×1019m1kpc=154.3×1019m. Velocity of…
Q: The Universe is approximately 13.8 Billion years old. What is the volume of the visible universe in…
A: Age of universe = 13.8 billion year Distance travel by light in 13.8 billion light year is.…
Q: A galaxy's rotation curve is a measure of the orbital speed of stars as a function of distance from…
A: A flat rotation curve means that the mass will vary linearly with the radius. It can be written as,…
Q: What is the estimated age of the Universe (in years) if the Hubble constant is 60 km/s/Mpc?
A:
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