Why can't a white dwarf have a mass greater than 1.4 solar masses?
Q: Why does a type Ia supernova explode? in two sentences.
A:
Q: Supernova A is farther away than supernova B. The brightness of supernova A will be ________ than…
A: The brightness of supernova and its distance from the observer are related as
Q: A supernova remnant is now 3.65 pc in radius and is expanding at 4,850 km/s. Approximately how many…
A: Given, Radius of remnant of supernova = 3.65 pc = 1.116×1014km Rate of expanding = 4850 km/s
Q: person weigh on the surface of this star?
A: Mass of sun, m Mass of star, M=1.8×m Radius of Sun, r Radius of star, R=0.06×r Given, weight of a…
Q: A pulsating variable star with a period of 10 days would be a Cepheid having an absolute magnitude…
A: Pulsating variable star are made by expansion and contractions in the outer layers of any stars. Due…
Q: Which stars are associated with a planetary nebula? black holes, neutron star's, white dwarf or main…
A: Required : What are planetary nebula associated with.
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: What are the approximate spectral type, temperature, absolute magnitude number, and luminosity of…
A: Required : Spectral type, absolute magnitude, temperature and luminosity of star E.
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: Calculate the luminosity of an 8 solar mass star.
A: The luminosity of a star is the amount of energy that it radiates per second. It can be considered…
Q: What would a dead star of 2.5 solar masses be?
A: In massive stars the density and temperature of the core gain as much amount of heat to fuse the…
Q: What is the luminosity, in solar units, of a brown dwarf whose radius is 0.1 solar radii and whose…
A: Luminosity of a star or an object is the total amount of energy radiated per second by that object.…
Q: a supernova remnant is now 2.95 pc in radius and is expanding at 3,850 km/s. approximately how many…
A: Given information: The radius of the supernova remnant (D) = 2.95 pc = 2.95 (3.1×1013 km) = 9.145…
Q: f a star is to eventually form a stellar black hole at any point in its life cycle, what must…
A: a star spends most of its lifetime as a main-sequence star. when it consumes all of its hydrogen…
Q: A neutron star has a radius of 11.5 km and a mass of about 1.35M Calculate the density of this…
A:
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: 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: Suppose that a neutron star has a radius of 10 km and a temperature of 1,000,000 K. How luminous is…
A: The luminosity of a star is defined as the total amount of electromagnetic energy released by a star…
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: Why don't red dwarfs become giant stars?
A: Red dwarf stars or M-type stars are small stars with a mass of 0.08 to 0.6 times the mass of the…
Q: What happens to a White Dwarf's radius if a little mass is added? What happens if a companion star…
A:
Q: Why does the orbital period of a binary star depend on its mass?
A: A binary system is formed when two massive astronomical objects start orbiting each other around a…
Q: What is the difference between type I and type II supernovae
A: To determine Difference between type I and type II supernovae
Q: A supernova remnant is now 3.05 pc in radius and is expanding at 1,100 km/s. Approximately how many…
A: Given, The radius: r=3.05 pc=3.05×3.1 × 1013 km 1 pc =3.1 × 1013 kmor, r=9.455 ×…
Q: What is the size of a typical white dwarf? Group of answer choices 1.0 solar radii 0.5 solar…
A:
Q: describing the various stages in the life of a 1.0 solar mass star, 0.5 solar mass star, and a 3.0…
A: In this question we have to describe the life of a 0.5, 1.0 and 3.0 solar mass stars.
Q: 3. Calculate the radius of a 12,000 K white dwarf with a luminosity of 0.0004 solar luminosities.…
A:
Q: What would a dead star of 1.1 solar masses be
A: White dwarfs are remnants of dead stars. White dwarfs are very dense and the mass of a white dwarf…
Q: Sun-like star transitions into a Red Giant __________. Group of answer choices after the planetary…
A: Solution Given dataSun like star transitions into a Red Giant ..........Which option is correct…
Q: Say that a white dwarf has about the same radius as the earth and about the same mass as the sun.…
A:
Q: A star collapses onto a neutron star. If its original radius is 7x105 km, by what factor will its…
A:
Step by step
Solved in 3 steps
- What are the two possibilities for the final state of a close, massive binary system?If a neutron star has a radius of 13 km and a temperature of 9.0 x 10° K, how luminous is it? Express your answer in watts and also in solar luminosity units. (Hint: Use the relation . Use 5,800 K for the surface temperature of the Sun. The luminosity of the Sun is 3.83 × 1026 w.) luminosity in watts w luminosity in solar luminosity units LoWhy does lower mass star live longer that a higher mass star
- What happens to a white dwarf when a normal star dumps mass to a white dwarf? Group of answer choices The white dwarf get smaller, causing its temperature and density to decrease. The white dwarf get smaller, causing its temperature and density to increase. The white dwarf get larger, causing its temperature and density to decrease. The white dwarf get larger, causing its temperature and density to increase.After a supernova explosion, the remaining core will collapse to form a black hole if the mass of the core is a. less than one solar mass b. more than 3 solar masses c. between 1 and 1.5 solar masses d. between 1.5 and 3 solar massesWhy are red dwarfs very dim.