* Constellations are not physically connected: Stars in a constellation appear close together from our perspective on Earth, but they're actually vast distances apart in space.
* Varying definitions of "star": Do we include faint stars only visible with telescopes? Do we count stars within a certain distance from Earth?
* Changing sky conditions: The number of stars we can see depends on light pollution, atmospheric conditions, and the observer's location.
However, here's what we can say:
* The International Astronomical Union (IAU) outlines the boundaries of Virgo: This area contains a lot of stars!
* Virgo is a large constellation: It's the second largest in the night sky, after Hydra.
* Virgo contains many bright stars: Notable ones include Spica, the brightest star in the constellation.
So, while we can't give you an exact number, it's safe to say there are hundreds of stars in the constellation Virgo, with many more visible with the aid of telescopes.