Most stars exist as a binary system fission reactor quasar solitary entity black hole
Q: About how much of the universe is believed to be composed of dark energy? O 68-73% O 10-12% O 4-5% O…
A: We know very less about the universe . and said universe is expand . the maximum thing is unknown…
Q: The cosmic microwave background consists of: huge clouds of dark matter interspersed with equally…
A: Cosmic microwave background also known relic radiation. Cosmic microwave background is kind of…
Q: true or false A supernova core with a mass 2X that of the Sun produces a Black Hole
A: The Sun need to be concerning 20X additional large to finish its life as a black hole. Stars that…
Q: Stars begin their life cycle in a O black hole O nebula O nova O supernova
A: Answer:) star begin their life cycle in a nebula
Q: What type of explosion occurs when a black hole is born? Group of answer choices Gamma-ray Burst…
A:
Q: Approximate the wavelength of the Hawking radiation from a black hole of mass 1.5×1030 kg 74 km 86…
A: To approximate wavelength of Hawking radiation from a black hole , we can use formula for…
Q: Is there a way to quantify Dark Matter?
A: Required : Is there a way to quantify Dark Matter ?
Q: A star is observed with a surface temperature of 3,000 K and a luminosity of 100,000 solar…
A: Given , Temperature = 3000 K Solar Luminosity = 100,000 Now , mass and luminosity are related by…
Q: Describe the evolution of a very low mass start a red dwarf, birth to death
A: Answer Low mass stars in their dating stages shed their outer layers transfer most of their mass…
Q: The number of stars in the Milky Way Galaxy is approximately
A: Number of stars in Milky way galaxy
Q: Determine the radius of a neutron star with a mass of 2 solar masses.
A: Neutron stars are formed when massive stars die. A star is formed due to the balance between…
Q: Why primordial black holes are thought to be extinct?
A: Black holes are formed due to the gravitational collapse of massive stars when the fusion inside the…
Q: Is there a way to quantify Dark Matter?
A: Required : Is there a way to quantify Dark Matter.
Q: a huge system of stats that has hundreds of millions to hundred of billions of stars that id…
A: In space hundreds of millions of stars Steller objects, dust , gas etc combine together a huge…
Q: What is the strongest piece of evidence for the existence of dark matter? O As stars die, they…
A: The strongest piece of evidence for the existence of the dark matter is "The orbital speed of the…
Q: Why haven't we detected any Primordial black holes?
A: Primordial black holes or PBH are black holes that formed soon after the birth of the universe. The…
Q: the binary isomorphous systems
A: A binary isomorphous system is a type of phase diagram that represents the equilibrium relationship…
Q: If you weigh 675 N on the earth, what would be your weight on the surface of a neutron star that has…
A: weight = 675 N msun = 1.99 x 1030 kg G = 6.67×10−11 N⋅m2 /kg2 g = 9.8 m/s2 d=23.0 km r = 11.5 km =…
Q: Dark matter experiments are built underground to avoid detecting which type of particle? Group of…
A: In order to reduce the noise level signals caused by Cosmic Rays at Earth's surface, dark matter…
Q: About what percentage of the universe is believed to be composed of normal matter? O 5% O > 22% O…
A: 68% of the matter is dark energy. 27% of the matter is dark matter. Rest less or equal to 5% is…
Q: Hubble's Law Constant provides the following information about the observable universe: galaxies…
A: Hubble's law constant, often denoted as H₀ provides an estimate of the current rate of expansion of…
Q: What kinds of objects lie in the halo of a spiral galaxy?
A: Given :- Spiral galaxy and what kinds of objects lie in the halo of it.
Q: What is the mechanism for the energy output of quasars?
A: Quasars are high luminosity objects in the galaxy, having very high masses (ranging from millions to…
Q: There exists an element visible in the spectrum of galaxies that shows the following spectra when…
A: Introduction: The Doppler effect refers to the apparent shift in the wavelength of a wave when there…
Q: Calculate the redshift caused by a neutron star with a radius of 11 km and mass of 5.2 x 1030 kg.
A: As per general relativity when a photon leaves a gravitational well its wavelength will increase…
Q: Why do you expect neutron stars to spin rapidly?
A: Neutron stars are formed when stars with 4 to 8 solar mass die. When such a star runs out of fuel…
Q: Sn1604 a supernova in the year 2000 the age then was 396 years calculate the speed of expansion of…
A: Sn1604 a supernova in the year 2000 the age then was 396 years.If Kepler’s supernova expanded ar…
Q: What is the distance in light years (ly) to Alkaid? 12 ly 104 ly 55 ly 4 ly
A:
Q: A star collapses onto a neutron star. If its original radius is 7x105 km, by what factor will its…
A:
Q: The redshift due to the Doppler effect is caused by sources of light obscured by interstellar dust.…
A: Doppler effect : The Doppler effect is observed whenever the source of wave is moving with respect…
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- How many neutron stars are estimated to be in the Milky Way galaxy? 10 2000 30,000 100 million 100 billionCalculate the Schwarzschild radius for Milky Way.Calculate the gravitational redshift of radiation of wavelength 550 nm that is emitted from a neutron star having a mass of 5.8 x 1030 kg and a radius of 10 km. Assume that the radiation is being detected far from the neutron star.
- The Virgo cluster has a distance of about 17 Mpc from the earth. Using Hubble's law, determine the recessional velocity Vr to this cluster.What evidence can you cite that pulsars are neutron stars?Which of the following is the most reasonable statement regarding a neutron star? Group of answer choices It consists mostly or entirely of neutrinos. The most common component of a neutron star is hydrogen. The star will turn into white dwarf. All its electrons have been combined with protons. It consists of neutrons and protons floating in a sea of electrons.