earthscience Flashcards
who proposed big bang theory
georges lemaitre
absence of heat
heat death
language of science
mathematics
greek for cosmo
kosmos
what happened at 1sec
the universe is 5.5 degree celcius
contradict the big bang theory
steady state theory
what happened at 3sec
subatomic particles: neutron proton electron
3 abundant elements: helium lithium nitrogen
what happened at 380 000
light emerges
first appearance of light is called
cosmic wave background
three person sa steady state
herman bondi
thomas gold
fred hoyle
who proposed pulsating theory
richard tolman
how universe is created
a small hot chaotic mass that compressed that causes a large explosion that causes the universe to expand
the two major discoveries of edwin hubble
milky way isnt the only galaxy
universe is expanding
who study the origin of universe
cosmologist
kosmos means???
harmony and order
nature of big bang theory
universe is constant
homogenous
has a beginning
is not centered around us
who discovered the first appearance of light
ralph alpher
tentative guess
hypothesis
a systematized body of knowledge
science
universally accepted
law
accepted with facts
principle
dependent:
effect or cause?
effect
independent:
effect or cause?
cause
non numerical data observations
qualititative research
numerical data observations
quantitative research
consist of participants who do not receive any experimental treatment
control group
a group that gets exposed to independent variable
experimental group
educated guess
hypothesis
enumerate scientific method
problem/question
observation
formulate hypothesis
experiment
collect and analyze data
conclusions
the study of origin of universe
cosmology
300 million years after
birth of stars and galaxies
9 billion years
our solar system and planets were formed
how old is the universe
13.8 billion years old
a very small ball with infinite density and intense heat is called???`
singularity
a theory that stated that matter continuously created to form new starts and galaxies
steady state theory
theory that states that universe is supposed to be expanding and contracting alternatively.
pulsating theory
a proponent of big crunch
john wheeler
explain big crunch theory
…
explain big chill theory
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