Universe

Universe

All of space & all the matter & energy space contains

Universum

Latin word for world

Cosmos

Greek word for world

Star

Giant Balls of hot gas& mostly hydrogen with some helium

Elements

Substance that cannot be broken down

Helium

2nd lightest element colorless, tasteless

Hydrogen

Lightest element, and gas at room temperature

Atom

Basic building blocks of matter

Atom

Consist of proton, electrons, and neutrons

George Gamow

Universe is expanding, galaxies are moving away from one another at high speed

Big bang theory

Started with a gigantic explosion burning fireball of reaction mixed with particles of matter cooled that allow formation of atom then clumped together forming billions of galaxies

Red Shift Phenomenon

Measured wave length of light from spiral nebulae &1st to discover that distant galaxies are moving farther away from us

Cosmic microwave radiation

Cosmic background detected

Cosmic microwave radiation

1965 arno penzias &robert wilson

Big bang theory

Georges lemaitre , 1927

Edwin Hubble

Supported into cosmological red shift in 1929

Biga bang nucleosynthesis

Formed light elements from Hydrogen, Helium, Lithium

Stellar Formation & Evolution

Formed the elements heavier than Beryllium to Iron

Stellar Explosion or Supernova

Formed elements heavier than Iron

Nucleosynthesis

Creation of new atomic nuclei

Fusion reaction

Process of nucleosynthesis

Stellar formation & evolution

Stars formed from collapsing clouds of gas & dust

Stellar nucleosynthesis

Creation of chemical elements by nuclear fusion reactions within the stars

Supernova

Massive explosion, powerful they create new atomic nuclei

Nuclear fusion

2 nuclei merge to form 1 heavier nucleus

Deuterium

2 elements

Tritum

3 elements