Month: July 2022

China rocket:uncontrolled return to earth raises concern

July 30, 2022

Let us not forget that in 2020 and 2021, China’s Long March 5 Rocket’s Core Stages re-entered the Earth threatening orbit after launch Such a situation may arise again. Wentian, the second module of the Chinese Space Station, will be launched today (25-07-2022). The 23 ton Wentian, which will be the 5 B configuration of…

Hydrogen train

July 7, 2022

Hydrogen was everywhere at the beginning of the universe, 𝟗𝟗.𝟗𝟗% of all matter. Call it God or the Creator because everything came from it. 𝟕𝟑% of the current universe is hydrogen. 𝟐𝟓% helium and the remaining two percent is everything else. A central concept in science fiction novels is the collection and fueling of hydrogen…

I was a king a long time ago

July 5, 2022

Ten thousand years ago you needed a woolen blanket if you wanted to go outside in the hot summer and midday. Because you are in the ice age then. The giants of the ice age that used to live with humans at that time were the woolly mammoths with long tusks. They were found in…

CRESCENT NEBULA

July 3, 2022

NGC 6888, also known as the Crescent Nebula, is a cosmic bubble about 25 light-years across, blown by winds from its central, bright, massive star. This beautiful telescopic view combines a composite color image with narrow band data that isolates light from hydrogen and oxygen atoms in the wind-blown nebula. The oxygen atoms produce the…