Understanding Black Holes and the Event Horizon Telescope

What was the significant achievement of the Event Horizon Telescope in 2019?

• Capturing the first image of a black hole's shadow

• Discovering a new planet

• Measuring the speed of light

• Detecting gravitational waves

What is the photon ring in the context of black holes?

• A ring of stars orbiting a black hole

• A layer of photons orbiting a black hole

• A sound wave emitted by a black hole

• A magnetic field around a black hole

How does the photon ring help in understanding black holes?

• It reveals the color of the black hole

• It helps estimate the black hole's mass and spin

• It measures the distance to the black hole

• It provides information about the black hole's temperature

What is a proposed method to enhance the EHT's resolution?

• Building a larger telescope on Earth

• Using a single instrument in space

• Increasing the number of radio telescopes on Earth

• Developing a new type of camera

What is the potential benefit of placing an EHT instrument on the moon?

• Capturing images of distant galaxies

• Detecting the second subring of the photon ring

• Measuring the moon's gravitational pull

• Detecting the first subring of the photon ring