What happened immediately after the Big Bang?

After the Big Bang, the universe expanded rapidly, leading to the formation of time, space, and matter.

How did the first atoms form?

As the universe cooled, protons and neutrons combined to form the first atom, hydrogen.

What is the primeval atom?

The primeval atom, or cosmic egg, refers to the single concentrated point that existed before the Big Bang.

What might happen in the future of the universe?

One scenario suggests the universe could eventually stop expanding and collapse in on itself, potentially leading to another Big Bang.

What Is The Big Bang Theory? | The Dr. Binocs Show - Best Learning Videos For Kids | Peekaboo Kidz

00:05:30

https://www.youtube.com/watch?v=GncYOf29uc4

Sintesi

TLDRThe video dives into the Big Bang theory, which posits that the universe originated approximately 13.7 billion years ago from a minuscule, intensely hot bubble. This explosion led to the birth of the universe, with time, space, and matter emerging almost instantaneously. The initial stages saw rapid expansion, followed by cooling that allowed for the formation of subatomic particles, atoms, and eventually stars and galaxies. The concept of the primeval atom is introduced, and a possible future scenario known as the Big Crunch is discussed, where the universe might reverse its expansion. Overall, it's an engaging presentation aimed at making complex astrophysical concepts accessible, especially for children.

Punti di forza

🌌 The universe started with the Big Bang 13.7 billion years ago
💥 A tiny hot bubble exploded to create time, space, and matter
🌠 Protons and neutrons formed the first atom: hydrogen
🌌 Stars and galaxies emerged from hydrogen gas clumping
🔮 The primeval atom is also known as the cosmic egg
🔄 The universe is still expanding today
🔍 Possible future: the Big Crunch might lead to another Big Bang
✨ Light was finally created as stars formed and radiated
🥇 Engaging content aimed at educating children about the universe
📅 Encourages viewers to participate and answer questions about the Big Bang.

Linea temporale

00:00:00 - 00:05:30
The video introduces the Big Bang theory as the beginning of the universe, which began approximately 13.7 billion years ago with a massive explosion from a hot bubble smaller than a pinhead. It explains how the universe expanded rapidly, creating time, space, and matter all within a fraction of a second. Initially, the universe cooled, enabling the formation of stable particles, protons and neutrons, which eventually led to the creation of the first atom, hydrogen. Through gravitational pressure, hydrogen gas clumped to form stars and galaxies, leading to the first light. The concept of the 'primeval atom' or 'cosmic egg' is also mentioned, culminating in a brief discussion on the potential fate of the universe, known as the 'big crunch'.

Mappa mentale

Video Domande e Risposte

What is the Big Bang theory?
The Big Bang theory is the scientific explanation of how the universe began nearly 13.7 billion years ago from a massive explosion of a tiny, hot bubble.
What happened immediately after the Big Bang?
After the Big Bang, the universe expanded rapidly, leading to the formation of time, space, and matter.
How did the first atoms form?
As the universe cooled, protons and neutrons combined to form the first atom, hydrogen.
What is the primeval atom?
The primeval atom, or cosmic egg, refers to the single concentrated point that existed before the Big Bang.
What might happen in the future of the universe?
One scenario suggests the universe could eventually stop expanding and collapse in on itself, potentially leading to another Big Bang.

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Sottotitoli

Scorrimento automatico:

00:00:04
whoa it all started with the big bang it
00:00:08
all started with the big bang
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bang
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what
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yes little kitty
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everything we look around right from the
00:00:19
grain of sand to trees
00:00:22
to mountains
00:00:24
earth
00:00:26
galaxies and the universe it was all
00:00:29
formed after a big bang
00:00:33
still confused friends
00:00:35
so in today's episode let us learn about
00:00:38
the beginning of our universe and shed
00:00:41
some light on an interesting question
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that is
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what is the big bang theory
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zoom in
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[Music]
00:00:51
the universe
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it has fascinated humanity so much that
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cosmologists have devoted their entire
00:01:00
lives gazing into the space to find the
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answer to the most important question
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about the universe and how it evolved
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its actions in the past
00:01:13
present and future and how it came into
00:01:17
existence in the first place
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sorry i got a bit carried away
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a lot of scientists assume that the
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universe began nearly 13.7 billion years
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ago with a massive explosion of an
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extremely hot bubble that was thousands
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of times smaller than a pinhead
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this idea at first was jokingly referred
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to as the big bang
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but as the time progressed and evidence
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piled up the concept and the name stuck
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with the scientific community
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after the explosion the universe that we
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know today was born
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and with it time space and matter came
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into existence and it all happened in a
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fraction of a second
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yes friends in just a matter of seconds
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the universe grew from smaller than a
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single atom to bigger than a galaxy
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and it kept on expanding at a phenomenal
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rate and continues to grow even today
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as the universe cooled down the energy
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converted into particles of matter and
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antimatter
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these two opposite types of particles
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fought hard and largely destroyed each
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other
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but some brave matter managed to survive
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please note that just one second has
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gone by so far since the beginning of
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everything and the universe had already
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grown into 100 billion kilometers and is
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cold enough to form most stable
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particles called protons and neutrons
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over the next three minutes the
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temperature fell below one billion
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degrees celsius
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now the universe got more cold to allow
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the protons and neutrons to come
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together and form its first atom
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the hydrogen
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after millions of years when the
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hydrogen gas clumped together and
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gravity started to put it under pressure
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stars and galaxies began to form
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their radiation began dissolving the
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stable hydrogen gas into plasma that
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allowed visible light to pass
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and finally there was light
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trim your time
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did you know the single super
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concentrated point of bubble which later
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became the universe before the big bang
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was called the primeval atom or the
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cosmic egg
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also in one of the possible scenarios
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for the ultimate fate of the universe
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known as the big crunch the universe
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will eventually stop expanding and start
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collapsing in on itself
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then however another big bang might
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happen
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[Music]
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it's question time
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today's question is
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how many years ago did the big bang
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occur
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do write your answer in the comments
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hope you enjoyed today's episode until
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next time it's me dr binox zooming out
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ah
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