This extraordinary celestial event will see the sky scattered with seven visible planets in what is known as a great planetary alignment. The eight planets in our solar system orbit the sun in ...

Read more: The Characteristics Of The Eight Planets The amount of time ... Along with being the outermost planet, the facts about Neptune include that its day is around 57,600 seconds, 1.5 times ...

Jamie Carter is an award-winning reporter who covers the night sky. The four planet-strong “planet parade” — mistakenly called a planetary alignment by some — currently visible to the ...

Narrator: As the solar system grew, four rocky planets: Mercury, Venus, Earth and Mars, were created closest to the Sun. Made of rocks and metals, they have solid surfaces and a central core of ...