24/12/2021
Do you know the universe?how much do you know the universe?Dou you want to know the universe?
Ep1:
The universe
NASA definition: The universe is a vast expanse of space which contain all of everything in existence.
Some Measurements of the universe include;
Diameter of the observable universe: 8.8×1026 m (28.5 Gpc or 93 Gly)
Mass (ordinary matter): At least 1053 kg
Main contents: Ordinary (baryonic) matter (4.9%); Dark matter (26.8%); Dark energy (68.3%)
Average density (including the contribution from energy): 9.9 x 10−30 g/cm3
Age (within Lambda-CDM model): 13.799 ± 0.021 billion years
How was the universe created?here is a short theory;
After years of continuous research,most astronomers had came with the theory of the big bang which occurred about roughly between 10 and 20 billion years ago.
What is BIG BANG? That's a topic for next time.
Plz invite friends who are astronomy, geology, geography lovers. Thank you
