Approximately 60% of the light on a moonless night comes from sunlight reflecting off of the particles that make up the interplanetary dust cloud.

Scientists estimate that between three to five new stars are born every year within our own the Milky Way galaxy.

Venus is the only planet in the entire solar system that is named after a female figure. The diameter of Venus is only 5% smaller than the diameter of Earth, yet it's mass is 19% less than that of Earth. Venus' atmosphere is approximately 93 times denser than the Earth's.

Each year 40,000 tons of matter from space is added to the planet earth's mass. This matter comes from space in the form of asteroids, meteoroids, interplanetary dust, and comet debris.