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19 September, 13:03

What is the ultimate end of a high mass star that has a core about 2.8x the mass of our sun?

A. a pulsar

B. a black hole

C. a brown dwarf

D. a magnetar

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Answers (2)
  1. 19 September, 16:05
    0
    A) Pulsar

    Explanation:

    Pulsars are collapsed cores of stars usually supergiant stars

    this happens when a supernova leaves behind the star core that has no outer protection layer of high gravity so the core collapses in on itself to create a very high magnitude star and also has trillions more mass.
  2. 19 September, 16:27
    0
    A

    Explanation:

    It is formed after the star has ended its star cycle into a supernova. The star collapsed into a neutron star that is smaller than the progenitor star but has inherited angular momentum. IT, therefore, spins faster emitting electromagnetic radiation that seems to pulsate.
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