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EARTH SCI
ZARAS STATE THEORY
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Cards (17)
Who proposed the Steady State Theory?
Hermann Bondi
,
Thomas Gold
, and
Sir Fred Hoyle
In what year was the Steady State Theory proposed?
1948
Where was the Steady State Theory proposed?
Earth
What is the main purpose of the Steady State Theory?
It serves as an alternative theory to the Big Bang
How does the Steady State Theory describe the universe?
The universe is always the same, static, and continuously contracting or expanding
What is the basis of the Steady State Theory's
logic
?

It is based on theoretical mathematical calculations
What does the Steady State Theory suggest about the beginning of the universe?
It posits that there is no sudden beginning to the universe
How does the Steady State Theory explain the balance of density in the universe?
It states that the decrease in density caused by expansion is balanced by continuous creation of matter
What is the significance of the "
reservoir
of
energy
" in the Steady State Theory?

It indicates that
expansion
and
creation
work
against
each other
How many atoms are needed annually to maintain the steady state according to the theory?
A small number of atoms
What does the Steady State Theory explain about the abundance of hydrogen and helium in the universe?
It provides an explanation for their abundance
How does the Steady State Theory contribute to the Wheeler-Feynman Theory?
It serves as a contributing theory to the Wheeler-Feynman Theory
What evidence refuted the Steady State Theory?
The distribution of
radio sources
,
discovery of quasars
, and
cosmic background radiation
In what year was the discovery of quasars that contributed to the refutation of the Steady State Theory?
1966
What is the conclusion regarding the Steady State Theory in present day?
The Big Bang Model
prevails
, and the Steady State Theory helped to
prove
the Big Bang through its
testability
What are the key components of the Steady State Theory?
Proposed by
Hermann
Bondi,
Thomas
Gold, and Sir
Fred Hoyle
in
1948
Suggests the universe is always the same,
static
, and
continuously expanding
or contracting
Based on
theoretical mathematical calculations
No sudden beginning
to the universe
Continuous
creation of matter
balances expansion
Explains
hydrogen
and
helium
abundance
Refuted by evidence such as
quasars
and
cosmic background radiation
What are the implications of the Steady State Theory on the understanding of the universe?
Challenges the Big Bang Theory
Suggests a universe that is eternally unchanging
Introduces the concept of continuous matter creation
Provides a framework for understanding cosmic phenomena