Which was used to create the first image of a black hole?(1 point)

Question

Responses

visible light from the black hole
visible light from the black hole

radio waves from matter at the edge of the black hole
radio waves from matter at the edge of the black hole

ultraviolet light from objects in the black hole
ultraviolet light from objects in the black hole

x-rays from inside the black hole

Answer 1

The first image of a black hole, specifically the one produced by the Event Horizon Telescope in 2019, was created using radio waves from matter at the edge of the black hole.