History of the
EARTH.
What is in the
UNIVERSE?
It is the whole cosmic system of
matter and energy of which
Earth and therefore human race,
is a part.
CREATION
MYTH
- A Symbolic Narrative of the
world as understood by a
culture.
CREATION
MYTH
- All creation myths are
etiological.
- Philosophical and Theological
elaboration.
SCIENTIFIC
THEORIES
1. BIG BANG THEORY
SCIENTIFIC THEORIES
1. BIG
BANG
THEORY
(1931)
Proposed by Alexander Friedman and Georges Lemaitre
- The theory proposed that there was
nothing and nowhere, but due to
random fluctuation in an empty void,
there was a great expansion. All
matter and energy in the universe
were crammed into tiny compact
point call SINGULARITY.
SCIENTIFIC THEORIES
1. BIG
BANG
THEORY
(1931)
Proposed by Alexander Friedman and Georges Lemaitre
- It is the idea that the universe
began as just a single point, then
expanded and stretched to grow
as large as it is right now—and it is
still stretching!
Quarks- a type of elementary particle and a
fundamental constituent of matter.
Few other theories.
Steady State Theory.
Inflation Theory.
Geologic
Time Scale
•Have you ever wondered how we
were able to know what happened
thousands or millions or even
billions of years ago?
•How did geologist come up with the
records of the past events?
Determining the age of STRATIFIED
ROCKS.
Using two methods.
•Relative Dating
•Absolute Dating
Relative Dating
•does not offer specific dates, it
simply allows to determine if one
artifact, fossil, or stratigraphic layer
is older than another.
Numerical (absolute) Dating
•methods provide more specific
origin dates and time ranges, such
as an age range in years.
“ The trilobite fossil is older than the dinosaur
tooth fossil.”
“ The trilobite fossil is 489 million years old.”