Space
99.8%
The Sun contains about 99.8 percent of the solar system’s mass.
The Sun contains about 99.8 percent of the solar system's mass. All the planets, moons, asteroids, comets, and other material together make up only a small remainder.
The Sun contains about 99.8 percent of the solar system’s mass.
Space feed
More like this
Space
243 days
A rotation on Venus takes longer than its entire year.
Venus takes about 243 Earth days to rotate relative to the stars, longer than its 225-day year. Its solar day, measured from one sunrise to the next, is shorter: about 117 Earth days.
Space
1B tons
A teaspoon of neutron star would weigh about a billion tons.
A teaspoon-sized volume at neutron-star densities can have a mass of roughly a billion tons. This is a density comparison, not a suggestion that stable spoonfuls could be brought to Earth.
Loading more facts...