Because (we think) both matter and antimatter was formed initially, most of which was canceled out to form more energy.
GRAVITY
The correct sequence of events in the evolution of the Universe is: the Big Bang, cosmic inflation, formation of protons and neutrons, formation of light elements, formation of galaxies and stars, formation of planets, and the evolution of life on Earth.
During the genesis of the universe, significant events that occurred within a span of 24 hours include the Big Bang, the rapid expansion of the universe, the formation of elementary particles, and the emergence of fundamental forces such as gravity and electromagnetism.
During the formation of stars, protons fuse in a process known as nuclear fusion, primarily in the core of the star. This fusion occurs under extreme temperatures and pressures, leading to the conversion of hydrogen into helium. As a result of this process, a tremendous amount of energy is released in the form of light and heat, which powers the star and supports it against gravitational collapse. This energy output is what makes stars shine and is essential for the development of life in the universe.
During the Big Bang, the universe underwent rapid expansion, releasing a vast amount of energy and matter. Following this, fundamental forces like gravity, electromagnetism, and the strong and weak nuclear forces began to separate and interact differently, leading to the formation of elements and structures in the early universe. As the universe cooled down, particles started to combine to form atoms and eventually galaxies and stars began to emerge.
The primordial universe refers to the earliest state of the universe shortly after the Big Bang, characterized by extreme temperatures, densities, and energy levels. During this period, fundamental particles and forces began to emerge, leading to the formation of simple elements like hydrogen and helium. It is a crucial phase in cosmology that sets the foundation for the subsequent evolution of the universe, including the formation of stars and galaxies. Understanding this epoch helps scientists explore the origins and development of the cosmos.
Gravitational attraction plays a crucial role in star formation during the early universe by causing gas and dust clouds to collapse under their own gravity. As these clouds contract, they increase in temperature and density, leading to the formation of protostars. Once the core temperature becomes high enough for nuclear fusion to ignite, a star is born. This process is essential for the creation of the first stars, which in turn influenced the chemical evolution of the universe.
The second most abundant element in the universe is helium. It makes up about 24% of the universe's mass, primarily formed during the Big Bang nucleosynthesis. Helium is produced in stars through nuclear fusion processes and is essential for stellar evolution and the formation of heavier elements.
Helium is formed in the universe through nuclear fusion processes that occur in stars. During the fusion of hydrogen atoms in the core of a star, helium is produced as a byproduct. This process releases a large amount of energy and is responsible for the creation of helium in the universe.
One of the events that did not occur during the collapse of the solar nebula was the formation of the first stars in the universe. Instead, the collapse of the solar nebula led to the formation of our solar system.
part of the modern theory of the origins of the element it is hypothesized that before the formation of the stars most of the matter in the universe consisted of what atom? is it A. Hydrogen and helium B. Nitrogen and carbon C. Silicon and lithium D. Uranuim and radium
The correct order of universe formation begins with the Big Bang, approximately 13.8 billion years ago, which marked the rapid expansion of space. Following this, subatomic particles formed, leading to the creation of simple atoms, primarily hydrogen and helium, during the process of cosmic nucleosynthesis. Over time, these gases coalesced under gravity to form stars and galaxies, resulting in the diverse structures we observe in the universe today. Finally, the formation of planets occurred within these star systems, leading to the development of various celestial bodies.