STAGE 1 Flashcards
is the study of matter and energy and how they interact
PHYSICS
PHYSICAL SCIENCE
it is a theory that stated that universe started with an infinitely hot and dense single point that inflated and stretched
BIG BANG THEORY
how many stages big bang theory has?
5
1st stage
the universe began as a __ , __ contaiing all space, matter, time and energy
SINGULARITY OR POINT
2nd stage
it expanded rapidly in nothingness through a rapid yet peaceful process called __
inflation
3rd stage
the universe cools down as it __
expanded
4th stage
light atoms were created through _ between protons and neutrons.
nucleosynthesis
5th stage
electrons interacted with these nuclei to form actual, primodial atoms through the process of __
recombination
is the process by which elements are created to form simpler nuclei, typically through nuclear reactions
nucleosynthesis
a proton (p) and neutron (n) may fuse together to yield a high-energy photon (y) and an isotope of hydrogen (H) called __
deuterium
it was found out that the light of galaxies is found to be _ which suggest that galaxies are moving away from each other
redshift
around 24% of the universe’s ordinary matter is currently comprised of helium, about 74% hydrogen and 2% of lithium and beryllium.
Light elements
Hungry Henry Likes Beef
Hydrogen
Helium
Lithium
Beryllium
it was left because of recombination. Atoms become neutral due to the binding of nuclei and electrons. The remaining radiation began to scatter.
Cosmic Microwave Background
CMB
who is the proponent of big bang theory
georges lemaitre
