How is the shape of a black hole, the material around it, and the release of high-powered jets similar to protostars? How are they different?
Q: Taking the distance to the Crab pulsar to be 2000 pc and the bolometric magnitude at maximum…
A: The Crab Pulsar is described as a young neutron star. The star is the central star in the Crab…
Q: Suppose a planetary nebula is 4.6 pc in diameter, and Doppler shifts in its spectrum show that the…
A: The diameter of planetary nebula is given as, D=4.6 pc. Then, the radius of planetary nebula is…
Q: If a prostellar disk is 260 au in radius and the disk plus the forming star together contain 7 solar…
A:
Q: Calculate your body’s volume. Next, assume that the nuclei are densely packed. Atomic distances are…
A:
Q: How does a contracting protostar convert gravitational energy into thermal energy?
A: Stars are formed from clouds of gas present in the interstellar medium. Since the temperature is low…
Q: What provides the main support against the inward force of gravity in a main sequence star? What…
A: A white dwarf is very dense star. Its mass is comparable to the mass of the Sun while it size is…
Q: If the Sun were to magically, and instantly, become a black hole; what would happen to the Earth’s…
A: Supernova are basically explosion of star
Q: Explain why the sky is blue and how that relates to reflection nebulae.
A: Dispersion. Despersion is a phenomena in which when light passes beteen 2 particle it disperses.
Q: A molecular cloud is 22 pc in diameter and is located 303 pc from Earth. What is its angular size on…
A:
Q: where do hydrogen-buring stars spend most of their time on the H-R Diagram? Is it the main sequence,…
A: Hydrogen burning stars are those stars which burns hydrogen as their dominant fuel. Horizontal…
Q: A red giant loses a solar mass in 150,000 years via a superwind. After 0.9 million years, it has a…
A: Dear student, as per the Qn-+A guidelines I will answer the first question only. Please, ask the…
Q: How does the presence of degenerate matter in a star trigger the helium flash?
A: As per the Pauli Exclusion Principle not more than two electrons inside an atom can have the same…
Q: Explain what makes the planetary nebula glow and what makes the supernova remnant glow. Which of…
A: Planetary nebulae and supernova remnants are both glowing celestial objects in space, but they are…
Q: Explain how supernovae produce neutron stars and pulsars.
A: Neutron stars are city size stellar objects with a mass of about 1.4 times that of the Sun.When…
Q: What is the escape velocity at the surface of a typical neutron star?
A: In celestial mechanics, the escape velocity is defined as the minimum velocity required by a…
Q: If a contracting protostar is three times the radius of the Sun and has a temperature of only 3000 K…
A:
Q: what is the smallest planet that could be detected around a 0.4 Rsun M dwarf star?
A: transit depth is the ratio of surface area of planet and the star transit depth = πRp2πRs2 where Rp…
Q: If the inner accretion disk around a black hole has a temperature of 1,000,000 K, at what wavelength…
A: Black holes are regions of large gravitational force in spacetime. The gravitational force is so…
Q: Determine the surface gravity on a neutron star. Assume the star has a mass 50% bigger than the…
A: mass of Sun = 1.98 * 1030 Kg mass of neutron star = mass of sun + 50%mass of sun = 1.5 * 1.98 *…
Q: How is the turnoff point on the H-R diagram of a cluster related to the cluster’s age?
A: Given:- The turnoff point on the H-R diagram of a cluster related to the cluster’s age Explain:- How…
Q: High-mass stars start off with much more fuel than low-mass stars. Why don't high-mass stars live…
A: Required : Why don't high mass stars live longer.
Q: In a nova, why is the shell of hydrogen on the white dwarf consumed explosively rather than…
A: White stars are formed when stars that do not have enough mass to form neutron stars or black holes…
Q: Consider two different clusters with approximately the same turnoff luminosity. Cluster A has a main…
A: Given two clusters A and B on the H-R diagram (which is a plot between the luminosity and…
Q: Please give answer. Describe, with the aid of suitable diagrams, the basic structure and components…
A: ATLAS detector at the LHC. We have to give information about structure and components of the ATLAS…
Q: Assume that you observe both of these stars in a galaxy 10 million light-years away. How bright is…
A: 1) Distance of both stats from observer, d = 10 million light years d = 10 x 106 ly d = 107 ly 1…
Q: If a contracting protostar is eight times the radius of the Sun and has a temperature of only 2190…
A: The relation between the radius and luminosity of two stars is as follows: LLSun=RRSun2TTSun4…
Q: If the hottest star in the Carina Nebula has a surface temperature of 51,000 K, at what wavelength…
A: Concept: "The Wien's displacement law states that the wavelength carrying maximum energy is…
Q: What characteristics must a binary star have to be a good candidate for a black hole? Why is each of…
A: The characteristic must a binary star posses for it to be a good candidate for black hole is, From…
Q: What is degenerate matter and why is it important to the study of stars?
A: Degenerate matter is usually modeled as an ideal Fermi gas (an ensemble of non-interacting…
Q: Black Hole Accretion Disk. Part A: If the inner accretion disk around a black hole has a…
A:
Q: Vega has Mv = 0.5. How large is Mbol? Calculate the luminosity of Vega. Remember that Mbolo = 4.75.…
A: Given information": The absolute visible magnitude of Vega (Mv) = 0.5 The Spectral class of Vega is…
Q: There are 200000 AU radius clouds will form a star of 10 solar masses and the 150000 AU radius…
A:
Q: If a contracting protostar is 0.5 times as luminous as the Sun and has a temperature of only 1,500…
A:
Q: The ring around SN 1987A (see the figures below) initially became illuminated when energetic photons…
A: To calculate how long after the supernova SN 1987A the ring became illuminated, we need to consider…
Q: Protostar
A: Protostar is
Q: The figure below shows the spectra of two galaxies A and B.
A: 1. According to the figure Galaxy A has a high relative flux density which shows it has a dense…
Q: A 1.4 M. neutron star and a 0.5 M. white dwarf have been found orbiting each other with a period of…
A: The given formula works only if we put quantities in the units given, solar mass, years and…
Q: What critical event must occur in order for a protostar to be- come a star?
A: Stars are formed from interstellar clouds. When the mass becomes high enough the molecular cloud…
Q: a)What type of supernova is most luminous in light? (b) What kind of star results in such an…
A: a) Supernova is an astronomical event take place when a white dwarf star exploded. When the white…
Q: What is the size of a typical white dwarf? Group of answer choices 1.0 solar radii 0.5 solar…
A:
Q: What is fusion? How does it happen inside a star?
A: Nuclear fusion is the process by which two light atomic nuclei combine to form a single heavier one…
Q: What are the on the axes of a Hertzsprung-Russell diagram? (b) Name one thing you can tell about a…
A: Hertzsprung-Russell Diagram plots the temperature of the start against their luminosity (or) colour…
Q: What determines the mass distribution of forming stars, the initial mass function (IMF
A: Stars are formed when gas, giant clouds, dust etc. present abundantly in space come together due to…
Q: You observe two randomly chosen stars 10,000 lightyears from Earth. One is in the disk of the Milky…
A: In this question we have to observe two randomly chosen stars 10,000 lightyears from Earth. One is…
Step by step
Solved in 3 steps
