If you look up at the night sky from a very dark location, the sky is beautifully spangled with stars—but in fact there are only about 5000 stars visible by eye even from the darkest locations! That’s about 1 in 20,000,000 of the stars in our galaxy.
If you look up at the night sky from a very dark location, the sky is beautifully spangled with stars—but in fact there are only about 5000 stars visible by eye even from the darkest locations! That’s about 1 in 20,000,000 of the stars in our galaxy.