2. The steady state theory suggests that the universe
has always existed and will continue to exist
indefinitely without any significant changes over
time. In simple terms, it proposes that the universe
is in a constant, unchanging state, with new matter
continuously being created to fill in the gaps as the
universe expands. This theory opposes the idea of
a Big Bang event that marked the beginning of the
universe and instead suggests a continuous and
eternal existence of the cosmos.
4. In the steady state theory, the expansion of the
universe is acknowledged, but it suggests that new
matter is continuously created to maintain a
constant density as the universe expands.
• •
The expansion of the universe is a central
aspect of the Big Bang theory. It explains the
observed redshift of distant galaxies as
evidence for the expansion of space itself.
5. The steady state theory proposes that the universe
has no beginning or end and has always existed in
its current state. It suggests that matter is
continuously being created to maintain a constant
density as the universe expands.
• •
The Big Bang theory suggests that the universe
began from a highly dense and hot state
approximately 13.8 billion years ago. It posits
that the universe expanded rapidly from this
initial singularity, cooling down and forming the
structures we observe today.
6. The steady state theory struggled to explain the
existence of the cosmic microwave background
radiation, which is considered a remnant of the
early universe. It suggested alternative
explanations, such as the radiation being from
distant stars.
• •
The Big Bang theory predicts the existence of
the cosmic microwave background radiation as
a remnant from the early hot and dense stages
of the universe. This prediction has been
confirmed through observations, providing
strong support for the theory.
8. • One of the most significant pieces of evidence against the
steady state theory was the discovery of the cosmic microwave
background radiation (CMB) in 1965 by Arno Penzias and
Robert Wilson.
•
• The steady state theory predicted a universe that is
unchanging and eternal, with no remnant of a hot, dense early
phase. However, the CMB is a faint, uniform glow of radiation
permeating the universe, consistent with the idea of an
expanding universe that was once much hotter and denser.
9. • The steady state theory posited a static universe where the
overall properties remained unchanged over time. However,
observations of the universe's evolution, such as the formation
and evolution of galaxies, clusters of galaxies, and large-scale
structure, provided evidence against this idea.
•
• The distribution and characteristics of galaxies, as well as the
presence of structures like galaxy clusters and superclusters,
suggested an evolving universe rather than a static one.
10. • Observations of distant galaxies revealed that they were
receding from Earth, and the farther away they were, the faster
they appeared to be moving. This relationship between
distance and recession velocity, known as Hubble's Law,
strongly supported the idea of an expanding universe.
•
• While the steady state theory acknowledged the expansion of
the universe, it proposed the continuous creation of matter to
maintain a constant density, which didn't align with the
observed relationship between redshift and distance.
