THE BIG BANG:
WHAT WAS IT?
The big bang was an explosion that supposedly occurred 13.7 billion
This explosion was considered the beginning of the universe.
Through many years of uniting atoms, and particles that came out of
the Big Bang explosion, stars, planets, and even galaxies began to
The Big Bang was not an explosion of matter. There was matter inside
the explosion and space only came into existence as the Big Bang
WHAT CAME OUT OF THE BIG BANG?
It was not until thousands of years after the big
bang occurred that the first atoms formed.
Giant clouds of hydrogen, helium, and lithium later
united through gravity to make the first stars and
WHAT HAPPENED AFTER THE BIG
Less than one billionth of a second after the big bang
occurred, a bubble much smaller than a fraction of an
atom materialized. This bubble is the universe. Unimaginably
small, yet unimaginably hot.
This bubble became so dense and hot that it exploded and
began expanding rapidly. In fact, it is still slowly and
gradually expanding today!
HOW DO SCIENTISTS KNOW ABOUT THE BIG
Astronomers could explore and research the afterglow of
the explosion of the big bang.
Right now, scientists can recognize that the universe is
expanding rapidly – meaning, the separations between
galaxies is getting larger and larger.
Also, the big bang perfectly explains the abundance of
helium and other nuclei in the universe.
WHAT WAS THE RED SHIFT?
The red shift is the name for the act of galaxies
moving farther and farther away from each other.
When light from far-flung galaxies reach Earth, the
space between Earth and that galaxy increases,
and consequently, wavelengths stretch.
WHO WAS ASTRONOMER EDWIN HUBBLE?
Edwin Hubble was an American Astronomer who, quite possibly, made the
most important discovery in modern astronomy.
As a result of his discovery that the universe is continuously “expanding” and
galaxies are rapidly moving away from each other, the Big Bang Theory
Dr. Hubble also discovered that the farther away a galaxy is to Earth, the
quicker the galaxy is In fact, moving away.