How We Discovered the Milky Way's Black Hole

What is the primary reason black holes like Sagittarius A* are difficult to detect?

• They move too fast.

• They do not emit light.

• They emit too much light.

• They are too small.

Who was the physicist that first traced static to interstellar space, leading to the discovery of Sagittarius A*?

• Isaac Newton

• Albert Einstein

• Karl Jansky

• Galileo Galilei

What technological tool was crucial in identifying Sagittarius A* as a black hole?

• Microscope

• Radio interferometer

• Satellite

• Optical telescope

In what year did astronomers finally provide convincing evidence of Sagittarius A* being a black hole?

• 1969

• 1990

• 1985

• 1974

What inspired the name 'Sagittarius A*' for the black hole?

• Atomic physicists' notation for excited states

• A mythological creature

• The constellation it is located in

• A famous astronomer

What was the significant finding by the UCLA team in 2002 regarding Sagittarius A*?

• It was not a black hole.

• It had a mass of 4,000,000 Suns.

• It was moving away from the galaxy center.

• It was larger than previously thought.

What future goal do scientists have for studying Sagittarius A*?

• To increase its mass

• To change its orbit

• To move it closer to Earth

• To take a proper picture of it