What is universe write a short note?
The Universe is everything we can touch, feel, sense, measure or detect. It includes living things, planets, stars, galaxies, dust clouds, light, and even time. Before the birth of the Universe, time, space and matter did not exist.
What happened during the Planck epoch?
During the Planck epoch, cosmology and physics are assumed to have been dominated by the quantum effects of gravity. The three forces of the Standard Model are still unified (assuming that nature is described by a Grand Unified Theory, gravity not included).
What are 2 popular ideas of what cause fluctuations?
Cosmologists speculate about the new physics needed to produce the primordial fluctuations that formed galaxies. Two popular ideas are: Inflation. Topological Defects.
How did the universe become transparent?
The Universe is uneven, and so are the stars and galaxies and clumps of matter that form within it. The Universe became transparent to the light left over from the Big Bang when it was roughly 380,000 years old, and remained transparent to long-wavelength light thereafter.
What is Universe mention its types?
The Universe is thought to consist of three types of substance: normal matter, ‘dark matter’ and ‘dark energy’. Normal matter consists of the atoms that make up stars, planets, human beings and every other visible object in the Universe.
What is the fate of the universe will the universe continue to expand or will it eventually contract because of gravity?
The Universe will collapse in on itself: If the mean density exceeds the critical density, then the expansion of the universe will eventually cease, and the universe will begin to contract. Eventually, a fireball like that which initiated the universe’s expansion will result. This is referred to as the “Big Crunch”.
When did the universe become neutral?
380,000 years
The Universe starts out hot, dense, and ionized, meaning that photons from the Big Bang constantly scatter off of electrons, which they do until the Universe forms neutral atoms 380,000 years after the Big Bang. Only then can those much-cooler photons now free-stream.
What are notes from the universe?
Notes from the Universe are brief messages written by “The Universe,” personalized with your name (and occasionally your goals and dreams), designed to remind you of life’s magic and your power. The Notes started in 1998 as an e-mail sent out weekly to 38 addresses and they’ve since blossomed into…
What are the notes?
These Notes are brief passages written by “The Universe,” personalized with your name (and occasionally your personal goals and dreams), designed to remind you that you have, indeed, been given dominion over all things. Read How the Notes Started Mike Dooley, creator and author of the Notes
How many notes have been sent each day?
Fast forward to the present, Since the year 2,000, the NOTES have become a daily email and almost a billion have been sent.