Which of the following is not true about differences between novae and supernovae?
Based on current understanding, the minimum mass of a black hole that forms during a massive star supernova is roughly [NASA/Goddard Space Flight Center/Dana Berry] In X-ray binaries that consist of a neutron star and a companion star, gas funnels from the companion into an accretion disk surrounding the neutron star, spiraling around until it is eventually accreted.
The primary factor determining whether a white dwarf has an accretion disk is the white dwarf's mass (the primary factor is whether the white dwarf is in a close binary system where gas from its companion can spill over)
The white dwarf that remains when our sun dies will most likely be mostly made of Which one would rule out the possibility of a black hole?Which of the following observatories is most likely to discover a black hole in a binary system?Which of the following statements about gamma ray bursts is not true?The events responsible for gamma ray bursts apparently produce only gamma rays, and no other light that we can hope to detect.Imagine an advanced civilization living on a planet orbiting at a distance of 10 AU (1.5 billion kilometers) from a close binary star system that consists of a 15 MSun red giant star and a 10 MSun black hole.
If you had something the size of a sugar cube that was made of white dwarf matter, it would weigh
Why or why not?Which of the following best describes what would happen if a 1.5-solar-mass neutron star, with a diameter of a few kilometers, were suddenly (for unexplained reasons) to appear in your home town?The entire Earth would end up as a thin layer, about 1 cm thick, over the surface of the neutron star.Each Voyager spacecraft carries a "postcard" designed to be understandable to any aliens that might someday encounter it. Anytime, anywhere. Which one would rule out the possibility of a black hole?In
©2018 StudyBlue Inc. All rights reserved. What may an accretion disk eventually form?
Imagine that our Sun were magically and suddenly replaced by a black hole of the same mass. There are problems, however, in carrying external magnetic flux inward towards the central star of the disk.A fully general relativistic treatment, as needed for the inner part of the disk when the central object is a When the accretion rate is sub-Eddington and the opacity very low, an ADAF is formed. Other people won’t see your birthday. Which statement concerning black hole masses and Schwarzschild radii is not true? When we see X rays from an accretion disk in a binary system, we can't immediately tell whether the accretion disk surrounds a neutron star or a black hole.
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how does an accretion disk around a neutron star differ from an accretion disk around a white dwarf?