what makes astronomers think that cygnus x-1 contains a black hole? (a) we can directly observe that one member of the system emits no light. (b) the unseen object orbited by a luminous star is too massive to be a neutron star. (c) the strong x-ray emission from the system means it must contain a black hole.



Answer :

Astronomers think that cygnus x-1 contains a black hole because  the unseen object orbited by a luminous star is too massive to be a neutron star and is therefore denoted as option B.

Who is an Astronomer?

This is referred to as a type of scientists who studies the Universe and the objects within and around it.

Cygnus x-1 is referred to as a galactic X-ray source in the constellation Cygnus and was widely accepted to be a black hole as a result of the unseen object orbited by a luminous star is too massive to be a neutron star.

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