what is universe
what is universe
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Q1)all existing matter and space considered as a whole; the cosmos. The universe is believed to be at least 10 billion light years in diameter and contains a vast number of galaxies; it has been expanding since its creation in the Big Bang about 13 billion years ago.
Similar:
cosmos
macrocosm
totality
whole world
Creation
(outer) space
the heavens
the firmament
infinity
all existence
2.
a particular sphere of activity or experience.
"the front parlour was the hub of her universe"
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province
world
sphere
preserve
domain
circle
milieu
territory
quarter
Q2) sony sab
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Answer:
The universe (Latin: universus) is all of space and time[a] and their contents,[10] 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. According to estimation of this theory, space and time emerged together 13.799±0.021 billion years ago,[2] and the universe has been expanding ever since. While the spatial size of the entire universe is unknown,[3] the cosmic inflation equation indicates that it must have a minimum diameter of 23 trillion light years,[11] and it is possible to measure the size of the observable universe, which is approximately 93 billion light-years in diameter at the present day.