geostationary satellite

There are many solar eclipse images taken from the ground, but the truly unique is the photo taken by NASA astronauts from the international space station.

The artificial moon is technology

According to a reporter in South America, on July 6, the Brazilian government said that the first geostationary satellite serving the country's defense and communication work,

Scientists have warned 99942 Apophis - meteorite about 487m across - capable of hitting the earth. In 2029, Apophis will be about 57,600km away from the globe, equivalent to the