what is the universe ? shot from
Answers
Answer:
This definition says that the Universe is made of two elements: space and time, together known as space-time or the vacuum; and matter and different forms of energy and momentum occupying space-time. The two kinds of elements behave according to physical laws, in which we describe how the elements interact.
Answer:
The universe is all of space and time and their contents, including planets, stars, galaxies, and all other forms of matter and energy. The Big Bang theory is the prevailing cosmological description of the development of the universe. Wikipedia
Mass (ordinary matter): At least 1053 kg
Main contents: Ordinary (baryonic) matter (4.9%); Dark matter (26.8%); Dark energy (68.3%)
Age (within Lambda-CDM model): 13.799 ± 0.021 billion years
Diameter: Unknown. Diameter of the observable universe: 8.8×1026 m (28.5 Gpc or 93 Gly)