A day on Venus is longer than its year.

There are more stars in the universe than grains of sand on Earth.

Neutron stars can spin 600 times per second.

Space is completely silent because there is no air to carry sound.

Jupiter’s Great Red Spot is a storm that has lasted over 300 years.

The footprints on the Moon will stay there for millions of years.

Saturn’s rings are made mostly of ice particles.

A teaspoon of neutron star would weigh about 6 billion tons.

Mars has the tallest volcano in the solar system—Olympus Mons.

The Sun accounts for 99.86% of the solar system’s mass.