45 Fascinating Facts About the Solar System That Scientists Have Discovered So Far – Part 3

#31 There Is More Than 10100 Tonnes Of Space Objects In Earth’s Orbit

#33 Mars’ Canyon Is 7 Times Larger Than Earth’s Grand Canyon

#34 Every Planet In Our Solar System Has At Least A Tiny Bit Of Water In Different Forms

#35 Spacecraft Visited Every Planet In Our Solar System

#36 Uranus Spins Sideways

It rotates at a nearly 90-degree angle from the plane of its orbit.

#37 Mercury Is The Smallest And The Closest Planet To The Sun In Our Solar System

With a radius of 1,516 miles (2,440 kilometers), Mercury is a little more than 1/3 the width of Earth.

From an average distance of 36 million miles (58 million kilometers), Mercury is 0.4 astronomical units away from the Sun.

#38 One Day On Mercury Is About 59 Earth Days, And Mercury’s One Year Equals Earth’s 88 Days

#39 The Solar System Is Incredibly Big

The average distance between the Sun and Pluto is 5,913,520,000 km.

#40 Saturn’s Moon Iapetus Is Called Yin And Yang Of Saturn Because Of Its Hemisphere

The leading hemisphere has a reflectivity (or albedo) as dark as coal (albedo 0.03-0.05 with a slight reddish tinge) and its trailing hemisphere is much brighter at 0.5-0.6.

#41 Venus Has The Hottest Surface In Our Solar System

#42 The Sun Is The Largest Object In Our Solar System

To fill the Sun’s volume, you would need 1.3 million Earths.

#43 The Sun Makes Up 99.8% Of Our Solar System’s Mass

#44 There Are Rocks From Mars Here On Earth

#45 Venus’ Clouds, Whipped Around The Planet By Winds Measured As High As 224 Miles (360 Kilometers) Per Hour