What is the distance in parsec to pulsar 0628-28 using 400 and 600 MHz frequencies? The dispersion measure is 124.5.
Q: Then how fast is the rocketship moving relative to the Earth? ameter value: L = 530 km e the value…
A:
Q: The Centaurus supercluster of galaxies is 52 Mpc from Earth. How long (in years) does it take light…
A: Given that The Centaurus supercluster of galaxies is 52 Mpc from Earth. then we have to determine…
Q: It can be shown that if an object orbiting a star of mass M in a circular orbit of radius R has…
A:
Q: Given the following equation for orbital velocity, pe sin 0f + (1 + e cos 0) Ô demonstrate…
A: Given that:v→=μehsinθr^+μh(1+ecosθ)θ^
Q: Suppose you observe a star orbiting the Galatic center at a speed of 1000 km/s in a circular orbit…
A:
Q: The expanding bubble of hot gas shown in the figure, which has been inflated by the light from a…
A:
Q: why is G considered to be the same throughout the universe?
A:
Q: Calculate the deflection of light caused by the gravity of a star of mass 2.1M sun and radius…
A: A large gravitational source is capeable of bending the space around it. This will cause the light…
Q: An 800 nm spectral line when observed from a galaxy is shifted to 920 nm. Calculate the redshift.
A: Redshift is the process by which light from moving sources is shifted to longer wavelengths.…
Q: How long will it take a planet 150 million km from a star of mass 1.99 x 10^30 kg to complete 1 full…
A:
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: Which of the aircuts below will give you Vab=7V? Select one: O V Ob. 3V OL 3V d. 3v 5V 1V БУ SV IV…
A:
Q: Galaxy B moves away from galaxy A at 0.519 times the speed of light. Galaxy C moves away from galaxy…
A:
Q: (a) Estimate the height (z) above or below the Galactic plane for the globular cluster M13 (1,b =…
A: The galactic plane is the plane on which the majority of a disk-shaped galaxy's mass lies. Distance…
Q: 5.4 In a negatively curved universe containing only matter (2, < 1, K = -1), show that the present…
A: Given, the universe contains only matter and Ωo<1 So scale factor will be a=12ΩoΩo-1coshθ-1…
Q: A Type la supernova explodes in a galaxy at a distance of 8.70 x 10' light-years from Earth. If…
A: Given value--- Hubble constant = 68.1 km/s/Mpc . distance of galaxy from Earth = 8.70 × 107 light…
Q: How many parsecs are there in 212 light-years?
A: We know that 1 light year = 0.3066 parsecs
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: A galaxy is observed to be at 10.0 Mpc from Earth. If it is receding at 520 km/s, calculate the…
A: Edwin Hubble in his observations found that the galaxies were moving away from us instead of getting…
Q: Perhaps the most fundamental problem in all of astronomy is the determination of distance to the…
A: "The Hubble Law relates the recessional speed of distant objects (measured with the Doppler Effect)…
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: 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: Suppose that a galaxy has 109 M⊙ of neutral HI gas with a temperature of about 10 K. Estimate the…
A: Given Data: The mass of the galaxy is, M = 109 M Temperature about 10k The luminosity of the 21cm…
Q: Calculate the Eddington limit for star of 10³0 Msun.
A: In a star, the radiation pressure is constantly pushing away matter while gravity is pulling it in.…
Q: Can we measure distances to other galaxies using parallax? Why or why not?
A:
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: is 0.218 arcseconds, then the distance of the body from the Earth in astronomical units is * O…
A:
Q: A galaxy is found to be receding at a velocity of 3.0 x 104 km-s-1. Calculate the distance to the…
A: Edwin Hubble discovered through observation that the Universe is expanding. Galaxies are moving away…
Q: Galaxy B moves away from galaxy A at 0.541 times the speed of light. Galaxy C moves away from galaxy…
A: We have to use special theory of relativity to solve this problem
Q: The hypervelocity star S5HVS1 has a redshifted Hβ line (rest wavelength of 486.135 nm) observed at…
A:
Q: Distances to the nearest stars (up to 500 ly away) can be measured by a technique called parallax,…
A: The distance between the Sun and the Star is given as, dS = 4 light year (or) dS = 3.784×1013 km TO…
Q: Calculate the mass (in kg) and Schwarzschild radius (in m) of a black hole at T= 220 K. mass kg…
A: according to the guidelines we are subjected to attempt only 1 question.
Q: What would be your estimate for the age of the universe if you measured Hubbleʹs constant to be 33…
A: We are given the value of Hubble constant. We are to find the age of universe. We are also given the…
Q: Calculate the deflection of light caused by the gravity of a star of mass 8M sun and radius 4Rsun.
A: The general theory of relativity suggests that the spacetime around a large gravitational source…
Q: One of our closest stars is our Sun, duh. If the distance from Earth to our Sun is 1.56e-05…
A: Solution: The speed of the star is obtained by the Hubble relation, v=H0d…
Q: What is the most fascinating feature of the standard model
A: The Standard Model of particle physics is a hypothesis that classifies all known constituent…
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: Pretend that galaxies are spaced evenly, 7.0 Mpc apart, and the average mass of a galaxy is 1.0 ✕…
A: The average density of matter in the universe is given by
Q: What is the magnitude of the merger of two galaxies which have the magnitudes m1 and m2?
A:
Q: If a galaxy is 9.0 Mpc away from Earth and recedes at 510 km/s, what is H? What is the Hubble t
A: Hubble's law states that galaxies are moving away from Earth and the farther they are faster they…
Q: 9. An alien observer is located in the disk of a spiral galaxy at a distance of Ro = 10 kpc from the…
A: From the given equation, vr=ΩR-ΩR0R0sinlvr=ΘR-ΘR0R0sinl…
Q: Integrate the first equation over all wavelengths to find an expression for the total luminosity of…
A:
Q: The Perseus-pices supercluster of galaxies is 64 Mpc from Earth. How long (in years) does it take…
A: Given: Perseus-pices supercluster separation from earth→D=64 Mpc Standard conversion: 1…
What is the distance in parsec to pulsar 0628-28 using 400 and 600 MHz frequencies? The dispersion measure is 124.5.
Trending now
This is a popular solution!
Step by step
Solved in 3 steps with 3 images
