The Hubble constant is (approximately) 70 kilometers per second per megaparsec. At approximately how far in the future, will the scale-factor be 1% larger than it is today?
Q: Calculate the age of the universe if the Hubble constant were 65 km/s/Mpc.
A:
Q: Assume a flat FRW universe, dominated by radiation throughout its history. Calculate the physical,…
A: The objective of the question is to calculate the physical, cosmological horizon size at a given…
Q: If there are 3x10^7 seconds in one year, a distance of one light year is equal to: O 9 x 10^15 m O 9…
A: Given data: Time (t) = 3 × 107 seconds Required: Distance of one light year
Q: As the Universe becomes older, what effect will that have on a slope of the Hubble's diagram: It…
A: Doppler effect in light is the change in frequency of light observed by the observer when the source…
Q: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint:…
A:
Q: why in the pythagorean theorem formula is it "a^2 - b^2" instead of "a^2 + b^2"
A:
Q: Suppose we find an Earth-like planet around one of our nearest stellar neighbors, Alpha Centauri…
A:
Q: 2. Using your average Hubble's constant, calculate the age of the Universe. For this, first, we use…
A: Given: Hubble constant H=71 [km/sMparsec] According to Hubble`s law, it was found that the galaxies…
Q: What was the maximum age of the universe predicted by Hubble's first estimate of the Hubble…
A: Hubble’s time: It is defined as follows, Here H is the Hubble’s constant which has unit km/s/Mpc…
Q: Astronomers have measured the age of the Universe to be about 14 billion years. Explain how this age…
A: Astronomers estimated that the age of universe is about 12 to 14 billion years. There are two…
Q: Calculate the number of miles in a light-year, using 1.86 105 mi/s as the speed of light. (Hint: The…
A: The light-year is the unit of length, and it is used to represent the astronomical distance.
Q: Let us assume that our galaxy consists of 2.5 × 1011 stars each of one solar mass. How long will a…
A: Mass of the galaxy is
Q: Calculate the age of the universe if the Hubble's constant was 60 km-s¹ Mly¹.
A: Our universe is constantly expanding, It was observed by Edwin Hubble when he saw the galaxies…
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: What was the maximum age of the universe predicted by Hubble's first estimate of the Hubble…
A: Hubble's law is the observation in the cosmology regarding the motion of the galaxies away from the…
Q: Suppose the Hubble constant were not 22 but 12.1 km/s per million light-years. Then what would the…
A: Write the expression for the volume of the sphere. Write the expression for the mass. Here, ρ is…
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: Suppose that we were to discover that all galaxies are actually twice as far away as we think. How…
A:
Q: According to the cosmological principle, our place in the universe does not appear to be…
A: According to the cosmological principle, our place in the universe does not appear to be…
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: If the Sun is 4.6 billion years old, how many times has it orbited the Milky Way galaxy? (The Sun is…
A:
Q: Let's say that the number density of galaxies in the universe is, on average, 3 × 10–68 galaxies/m3.…
A: Given :number density of galaxies, n = 3 × 10–68 galaxies/m3 Observable distance by…
Q: If the value of the Hubble's constant were found to be 60 km/s/Mpc, what would the Hubble time be?
A: The galaxies in our universe are moving away from each other. This was observed by Edwin Hubble. He…
Q: tudying for test: A new astronomical measurement suggests that the Hubble constant is 1112…
A: Given the new value of of the Hubble constant H0=1112km/s/MpcWe know1Mpc=3.086×1019kmHence…
Q: Is Hubble's law applicable in another planet or galaxy?
A: In this question we have to answer whether the Hubble's Law is applicable in another planet or…
Q: When the universe was approximately one second old its size grew by a factor of 10 to the power of…
A: When the universe was approximately one second old its size grew by a factor of 10 to the power of…
Q: Can we find a unified theory of physics?
A: Unified Field Theory:- A unified field theory (UFT) in physics is a sort of field theory that…
Q: What was the maximum age of the universe predicted by Hubble's first estimate of the Hubble…
A: The first estimate for the Hubble constant H was 500 km/s/Mpc. The formula for the age of the…
Q: If a galaxy is 9.3 Mpc away from Earth and recedes at 508 km/s, what is H, (in km/s/Mpc)? |km/s/Mpc…
A: velocity, v=508 km/s distance, d=9.3 Mpc=9.3×3.086×1019 Km=28.7×1019 Km. Hubble constant,…
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: According to the version of the Big Bang Theory without a Cosmological Constant (and without Dark…
A: Hubble's Law states that as the universe is expanding in all directions, the receding velocity of an…
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: Consider three periods in the history of the Universe: one million years after the Big Bang (age = 1…
A: In early times, the Universe was expanding at a rapid pace. Then, the rate of expansion of the…
Q: Calculate the age of the universe if the Hubble's constant was 29.45 km-s¹ Mly''.
A: It is observed that the galaxies in our universe are moving away from each other. This expansion of…
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: How does the Hubble constant relate to the age of the universe?
A: Hubble constant is defined as the proportionality constant between velocity of galaxies far from us…
Q: Calculate the age of the universe for the following Hubble's constant, m (c) 80 km/s/Mpc Of
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 20 yr. old astronaut left to explore the galaxy in 2010 travelling at 1.30 x 108 m/s and…
A:
Q: Let's say that the number density of galaxies in the universe is, on average, 3 × 10–68 galaxies/m3.…
A:
Q: Explain why the universe cannot be older than the Hubble time.
A: Given: To explain universe is not older than the Hubble time as,
Q: If the universe had a density equal to its estimated critical density of 9= 10-30 g/cm3, and if it…
A: Given Critical density ρc = 9×10-30 g/cm3 Mass (M) = 2.0 × 1030 kg
Q: If the current mass of the universe consists of 75% protons and 25% 4He, what is the current ratio…
A: Given: Universe consists of 75% protons and 25% 4He.
The Hubble constant is (approximately) 70 kilometers per second per megaparsec. At approximately how far in the future, will the scale-factor be 1% larger than it is today?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images