Which astronomical product innovation allowed scientists to capture the first-ever direct image of a black hole in 2019?

The astronomy industry has seen remarkable product innovations that have transformed how we observe and understand the universe. From the earliest telescopes to modern space-based observatories, technological advancements have continually expanded our cosmic perspective. This trivia question focuses on a groundbreaking product that changed astronomical research and public engagement with space science. Test your knowledge of astronomy's most influential technological innovations!

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

The Event Horizon Telescope (EHT) - a global network of radio telescopes synchronized to create a virtual Earth-sized observatory
The James Webb Space Telescope - NASA's flagship infrared observatory designed to see the earliest stars and galaxies
The LIGO gravitational wave detector - a laser interferometer system that detects spacetime ripples
The Dark Energy Camera (DECam) - the world's most powerful digital camera designed to map distant galaxies