What keeps a neutron star from collapsing? a. the thermal pressure resulting from nuclear fusion in its core; b. the degenerate neutron gas pressure; c. the degenerate electron gas pressure; d. the convection
Q: Why don’t all supernova remnants contain pulsars? a. All supernova remnants do contain pulsars.…
A: As we know that pulsar are fast spinning neutron stars. When there is a explosion in a star at the…
Q: 2. Explain the different mechanisms that power the internal heating of a giant star, a main sequence…
A: Question : Explain the different mechanisms that power the internal heating of a…
Q: Where does gold (the element) come from? A. It is produced during the supernova explosions of…
A:
Q: Which of the following is most likely to occur when mass is continually added to a 1.5 solar mass…
A:
Q: black hole.
A: A quasar is an extremely bright Active Galactic Nucleus also known as AGN. The Quasars radiates a…
Q: 1. The stellar parameter that best determines a star's location on the main sequence is: Select one:…
A: 1. The stellar parameter that best determines a star's location on the main sequence is: c. mass…
Q: After a supernova explosion, the remaining core will collapse to form a neutron star if the mass of…
A: After a supernova explosion, the remaining core will collapse to form a neutron star if the mass of…
Q: 1. Determine the radius of the event horizon if a star of mass 11 x 1030 kg explodes into a…
A: The radius of the event horizon is, R=2GMc2
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: 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: Trappist 1 a small red dwarf (M*=0.089) with R*=0.12, L*=0.000553 and T=2566. What in AU's is the…
A: The Stefan-Boltzmann law states that the luminosity of the star:L=4πR2σT4………(1)where,R is the radius…
Q: Pulsars CANNOT be spinning white dwarfs because a. white dwarfs are not that common. b. white…
A: Correct Option is " d "
Q: Astronomers think of pulsars not as pulsing objects, but rather like a(n) a. Cepheid variable.…
A: A Cepheid variable is a class of stars, that varies in its apparent magnitude values over a period…
Q: Originally, the signals that were found to be pulsars were thought to be a. spinning
A: We have to know about basic here.
Q: Which of the following nuclear fuels does a one-solar-mass star use over the course of its entire…
A: Required : Elements formed in 1 solar mass star.
Q: A helium flash occurs a. because helium is very explosive and cannot be controlled when the…
A: Required : Why does the helium flash occur.
Q: An explosive, although nondestructive, event on the surface of a white dwarf that is part of a…
A: d. nova
Q: What triggers the nucleus of a galaxy into activity? a. a nova explosion b. a type I supernova…
A: (e) none of above
Q: What is the peak wavelength (in nm) of a neutron star's luminosity if its temperature is 106 K?
A: As we know that Using weins displacement law,λmax T = b -----(1).where b is a constant. known as…
Q: Objects in binary systems consist of a neutron star accumulating material from another star on its…
A: Answer:b) X-ray bursters. X-ray bursters are basically are one class of X-ray binary stars…
Q: 3. a) Explain how it is possible for the core of a red giant to contract at the same time that its…
A: a) The core of a red giant contracts due to depleted fuel, while nuclear fusion in surrounding…
Q: Pulsars result from a. expanding red giant stars b. white dwarf supernovas c. spinning neutron…
A: A pulsar is a neutron star that spins and releases concentrated beams of radiation from its poles.…
Q: . Imagine a giant sphere with a radius of 1 AU surrounding the Sun. What is the surface area of this…
A: "Since you have posted a question with multiple sub-parts, we will solve the first three subparts…
Q: Black hole candidates are conspicuous by their continuous or flickering emission of a. infrared…
A: Introduction: A black hole is a region where gravity is so strongest that nothing can even particles…
Q: The peculiar system SS 433 I. is emitting beams of energy and matter. II. is producing a…
A: We know that, The peculiar system SS 433 is emitting beams of energy and matter & producing a…
Q: When a mass is transferred through the inner Lagrangian point in a binary system toward a white…
A: Option A is correct answer
Q: Black holes are formed by A. collapsed dark nebulae. B. supernovae from binary stars. C. a lack of…
A: ASTRO PHYSICS
Q: Describe the reaction that powers the sun during its main sequence lifetime. Be sure to include the…
A: The sun is powered by nuclear fusion, a process in which atomic nuclei combine to form a heavier…
Q: a)What is a neutron star? B)How are they formed? C)Will our Sun become a neutron star? Why or why…
A: a) A neutron star is a core which is formed from the collapsed super giant stars which had a total…
Q: Based on what you know about main-sequence stars, select all of the correct statements from the…
A: Required : Correct statements .
Q: Why does a solar nebula flatten into a disk instead of a sphere, even though the gravity of a nebula…
A:
Q: What is the difference between a type I and a type II supernova? And why does it exist?
A: A type 1 supernova is a type of supernova that happens when one of the stars in a binary system is a…
Q: Why do the magnetic fields lines of the sun get warped? a. effects of the solar wind b. surface of…
A: Sun's Equatorial rotation speed is faster than that of rotation speed at poles it called…
Q: The type of star that does not currently exist because our universe is not old enough is a a. red…
A: The death of a star depends upon the matter it contains.
Q: Hypernovae are thought to be a. a star greater than 20 solar masses collapsing into a black hole.…
A: A hypernova is a type of supernova but having more energy Hypernova contains a tremendous amount of…
Q: 2.) Which of the following DOES NOT describe what happens when the nuclear fusion stopped in the…
A: Supernova is the sudden increase in brightness of a star due to explosion which may end the life of…
Q: Supernova C is 10 times farther away than supernova D. The brightness of supernova C will be…
A:
Q: Which stars have the longest period of variability? a. RR Lyrae b. Type I (classical) Cepheids…
A: Variable stars: Variable stars are the stars that change their apparent magnitude. There are two…
What keeps a neutron star from collapsing?
a. the thermal pressure resulting from nuclear fusion in its core;
b. the degenerate neutron gas pressure;
c. the degenerate electron gas pressure;
d. the convection
Step by step
Solved in 3 steps
