The speed of light travels for 1 second, there is a "ghost satellite" on the ground – Guangdong Channel – People's Network – People's Network Guangdong Window

The speed of light moves in 1 second, there is a "ghost companion" on the ground – Canada's Guangdong – People's Network

In 1961, Polish astronomer Kodilevski discovered the hidden material of the two regiments in the deep space and called it the Kodeil cloud. Recently the Hungarian scientist Gabor Horvat and others again …