Eposode 79: Sounds like a black hole

What does it mean?

Solar mass – This is the mass of our Sun, or about 2 x 1030 kilograms.

Gamma ray – The very highest energy end of the electromagnetic spectrum.

Dude, where’s my science?

Alkina does not seem convinced that the object in front of her is a black hole. Can you think of any reasons why she should be skeptical that the object might be a black hole?