The Mysterious Unseen Companion: Is it a Stellar Black Hole?

What is the most likely explanation if astronomers detect an unseen companion orbiting a star with a mass of 3.3 solar masses?

A. Neutron star

B. White dwarf

C. Stellar black hole

Answer:

The most likely explanation if astronomers detect an unseen companion orbiting a star with a mass of 3.3 solar masses is C. Stellar black hole.

When astronomers detect an unseen companion orbiting a star with a mass of 3.3 solar masses, the most probable scenario is that the unseen companion is a stellar black hole. A stellar black hole is formed from the remnants of a massive star that has undergone a supernova explosion and collapsed under its own gravitational force.

During the collapse, the star's core becomes incredibly dense, creating a gravitational pull so strong that not even light can escape from it. This phenomenon gives rise to what we know as a black hole. In the case of an unseen companion with a mass of 3.3 solar masses, the calculated mass aligns with the characteristics of a stellar black hole, as it is significantly higher than other celestial objects like planets or low-mass stars.

While there are other possibilities like neutron stars or white dwarfs, the mass of 3.3 solar masses points towards the likelihood of it being a stellar black hole. This discovery provides astronomers with valuable insights into the cosmic phenomena that shape our universe and the intriguing nature of these enigmatic celestial objects.