#1 Mercury & Venus are the only 2 planets in our solar system that have no moons.
#2 If a star passes too close to a black hole, it can be torn apart.
#3 The hottest planet in our solar system is Venus.
#4 Our solar system is 4.57 billion years old.
#5 Enceladus, one of Saturn’s smaller moons, reflects 90% of the Sun’s light.
#6 The highest mountain discovered is the Olympus Mons, which is located on Mars.
#8 A light-year is the distance covered by light in a single year.
#9 The Milky Way galaxy is 105,700 light-years wide.
#10 The Sun weighs about 330,000 times more than Earth.
