1.9M views · 43K reactions | How well do you know our planets? 敖 All the planets in our solar system vary in size and distance from the sun, but just how different are they? | BBC Earth | Facebook

4.8K views · 280 reactions | How do planets get their names? Aside from Earth, planets in our solar system were named after ancient gods. Today, the job of naming falls to the International Astronomical Union, the internationally recognized authority for naming celestial bodies. You can see the history of each planet's name at https://solarsystem.nasa.gov/planets/ | NASA Solar System Exploration | Facebook