The first gravity wave was detected by LIGO in Sept 2015. What caused this gravity wave? Group of answer choices A large truck drove by. Two neutron stars merged. Two black holes merged. A star exploded in a supernova.
Q: The lower mass a star, the (shorter, longer, lighter, heavier) it lives. The higher mass a star, the…
A: Solution: The star which is having a higher mass has more hydrogen as fuel. The lifespan of the star…
Q: Part A To what radius would the Sun have to be contracted for its escape speed to equal the speed of…
A: The minimum velocity that a particle must have to escape the planet's gravitational attraction is…
Q: Which mathematical quantity is imagined to be present at the center of a black hole? a) Unity b)…
A: Answer:- Option (b) correct. Singularity
Q: Choose the correct statements from the following list referring to white dwarfs. (Give ALL correct…
A: Answer: A,B,D,E,F Summary: Star collapses inward on itself after running out of the fuel. White…
Q: 06
A: Given that:-Luminosity, L=78.4×1026 Watt.Radius, r= 1.2×106 kmr= 1.2×106×103m=1.2×109 mWe know…
Q: The Andromeda Galaxy, M31, is the closest large spiral Galaxy to our Milky Way. When we lookat its…
A: The Doppler effect is the change in frequency or wavelength of a wave due to the relative motion of…
Q: i) Determine the efficiency of the "annihilation" of a positron with an electron via the reactionee…
A: Introduction of Positron Annihilation: When a positron collides with electron, as their speeds…
Q: If you wanted to determine the mass of a black hole in an X-ray binary, what would be easiest for…
A: Gravitation.
Q: Consider a close binary system composed of a white dwarf, a giant star, and an accretion disk. Which…
A: Given Data: Let us consider the given closed binary system composed of a white dwarf , a giant star…
Q: Explain BCS Theory?
A:
Q: Two stars are in a closely orbiting binary system. The smaller star (a K-type main sequence star)…
A: The correct option. Following the mass transfer, which of the following is now true of the main…
Q: Which statement accurately describes the scatterplot? y : OA. There are two distinct clusters. OB.…
A: option B is correct There is one outlier
Q: we have this problem in our class today that left me puzzled. here it is Lets say i have a rod. and…
A:
Q: Calculate the exchange arc for
A:
Q: POSSIB Pick the term that best describes the definition. nebula protostar supernova black hole :…
A:
Q: Synchrotron emission by electrons of y = 2 x 107 in a supernova remnant peaks in the ultraviolet at…
A: A charged particle moving inside a magnetic field tends to release energy. When the velocity of…
Q: Rev5 Phys 1403 Stellar Magnitudes and Parallax Since the minimum brightness visible will be…
A: (1) Given: The magnitude of Mizor is 2.4. The brightness of Mizor in companion to Alcor is 4.37…
Q: A supernova occurs 140,000 light years from Earth, where a neutron star of mass 1.6 solar masses and…
A:
Q: Determine how much time a black hole having 3 solar masses will take to radiate its energy.
A: As per the quantum mechanical model of a black hole, they emit radiations known as Hawking…
Q: What are typical orbital periods for X-ray binaries? Oa Days for high-mass binaries and woeks for…
A:
Q: 1. The relative velocities of four stars are shown in the figure below with arrows. If an astronomer…
A: Redshift of a light spectra is the phenomenon when we observe an increase in the wavelength and…
Q: Problem 2. The redshift is defined to be the quantity Job — Xem Xem where Aob and Aem are…
A: Given that: z=λo-λemλem
Q: - The nebula is at a dist e Stars about 1344 ly bserve a star in the Oric ent magnitude of 6.75 m
A: Given, Distance of nebula from earth as, d = 1344 light year = 412.07 Parsec Apparent magnitude of…
Q: The shock wave produced by the supernova expended from the center and is currently at the edge of…
A:
Q: Which of the following observatories is most likely to discover a black hole in a binary system? A.…
A: A binary system is defined as a system in which two objects revolve around each other, having a…
Q: How are giant molecular clouds (GMCs), the loci of most star formation, themselves formed out of…
A: Stars are formed in interstellar space from Giant molecular gas clouds. These clouds mostly consist…
Q: Consider a gas of pure ionized hydrogen. Calculate the central pressure of a Sun- like star which is…
A: Given, Temperature T = 2 × 108 K Mass density D = 2 × 105 kg/m3 Pressure P…
Q: es are detectable by their accretion disks producing mainly what type of light? a. infrared light…
A: Detection of black holes : Black holes are surrounded by material gas and funnelled by gravity into…
Q: What is the most likely explanation for the dark area in the figure shown below? It is a region…
A: Interstellar extinction is a term used by astronomers to describe the reduction in the amount of…
Q: Questions/Analysis: 12. Classical Cepheid variables have been observed in other galaxies. What would…
A: Given data, Period of Cepheid T=65 days. Distance of star d=2500000 LY = 766503 parsec.
Q: When observed from Earth, the wavelengths of light emitted by a star are shifted toward the red end…
A: Introduction :- Here it is given that a star is emitting light and this light is being received by…
Q: Four research teams measured the rotation period of a newly detected neutron star, and what each…
A:
Q: How can mass escape from the region inside of a black hole? Oa Matter can escape the event horizon…
A:
Q: 1- can we obtain energy from a Votating black hole ?
A: Einstein's theory of general relativity , the theory that connects space, time, and gravity predicts…
Q: Assume that the laws of Newtonian mechanics and Newtonian gravity still hold for a neutron star,…
A: Assume that the laws of Newtonian mechanics and Newtonian gravity still hold for a neutron star,…
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: Pls help ASAP. Pls show all work.
A: This question can be solved by using rules of the chandrasekhar limit and the interaction due to…
Q: If a star has a surface temperature of 9500K. What would be the frequency of the light given off at…
A: The problem can be solved using the Wien's displacement law. This states that the black body…
Q: Radio telescopes are an essential tool for modern astrophysics. They played a crucial role in…
A: Radio telescopes are an essential tool for modern astrophysics. They played a crucial role in…
Q: Radio telescopes are an essential tool for modern astrophysics. They played a crucial role in…
A: A pulsar is a compact star, including neutron star and white dwarfs, which is highly magnetized and…
Q: Consideration of the total energy in a radio lobe of an AGN implies that the energy is distributed…
A: Explanation -: The scaling of the magnetic field with observed luminosity (Las) in the…
Q: Which of the following is the least likely reason that astronomers consider supernova 1987A so…
A: Supernova 1987A is one of the most studied and significant supernovae in modern astronomy. It was a…
Q: he supermassive black hole at the center of a galaxy has a mass of 6.5 billion solar masses. If we…
A: Schwarzschild radius is defined as the radius below which the gravitational force becomes so large…
Q: The speed of light in vacuum is 300,000 km/s. Suppose that the pulse rate of a pulsar is 0.001 s.…
A: Solution: It is given that, For a 0.001 s pulse time, the scale must be less than 300 Km. It…
Step by step
Solved in 3 steps
