To reach its heights, you d need to visit the Red Planet. Around 1821, astronomers noticed that the orbit of Uranus was pretty peculiar. But they were crafty. Within 25 years, astronomers predicted where the new planet should be. And that's where they found Neptune.
Dust bunnies from space.
More than 3,000 tons of dusty material from space falls to Earth every day. Try to sweep that under the bed. Check out Solar System Central .