How empty is your solar system empty?

No

Because the Sun and the planets, their satellites and asteroids take up a very small proportion of the total volume. All the rest is empty space.

The distances between planets, and between a planet and the Sun, are enormous, compared to the size of the planets and of the Sun. In between, there is empty space - a vacuum more perfect than what...

Where is the bottle? There are droplets so it is not empty

In males, the urinary system as well as genital system empty into the urethra. In females, the urinary system empties into the urethra while the genital system empties into the vagina.