How much of the solar system's mass is in the Sun?
The Sun contains about 99.8% of all the mass in our solar system.
Reference: NASA
The Sun contains about 99.8% of all the mass in our solar system.
Neptune was discovered in 1846 after mathematicians predicted its location from its gravitational pull on Uranus.
Jupiter's Great Red Spot is a storm bigger than Earth that has lasted for centuries, though it has been shrinking.