This is the most famous example, linking eight observatories on four continents to form a single Earth-sized virtual telescope .
In 2019, the EHT collaboration captured the first direct image of a black hole in the M87 galaxy, a feat requiring magnification equivalent to reading a text on a phone in New York from a sidewalk café in Paris. Virtual telescope
A Virtual Observatory (VO) is not a physical instrument but a web-based research environment that allows astronomers to "interrogate" vast archives of astrophysical data. This is the most famous example, linking eight