Big Bang 1
The theory that most scientist believes explains how our universe began is called ________________.
Big Bang Theory
(True/False) The Big Bang Theory is the most widely accepted theory about the origin of the universe
True
A date that is commonly accepted by Big Bang theorists for the Big Bang is ____ years ago
13-15 billion
The Big Bang Theory explains the formation of the...
universe
The most abundant element in the universe today is:
Hydrogen
As galaxies move away from our galaxy a shift on the electromagnetic spectrum (EMS) is noticed. This phenomena is called _____________.
Redshift
RED shift of light means the star is moving
Away from Earth
BLUE shift of light means the star is moving
towards Earth
Ever since the universe began, the universe has been
expanding
CBM stands for
Cosmic Microwave Background Radiation
Galaxies that are redshifted are:
Moving away from earth
Most distant galaxies show a RED SHIFT. This is considered EVIDENCE that the universe is ___.
expanding
A galaxy showing BLUE SHIFT is ___.
moving towards/ getting closer to earth
Which elements are most abundant in the visible universe?
Hydrogen and Helium
The Big Bang Theory is the most widely accepted theory about the origin of the universe. True or False?
True
(True/False) Big Bang theorists believe that most matter should be complex, large atoms, like gold and plutonium.
False
The remaining energy (radiation) from the big bang is called ________.
CMB -Cosmic Microwave Background
According to Redshift, the farther away a galaxy is, the _____________ it is moving away from earth.
faster
What is one piece of evidence of the Big Bang Theory?
Red shift or Cosmic Microwave Background (CMB)
The Big Bang Theory is the ONLY way that the beginning of the universe can be explained. True or False?
False
Which SCIENTIST was responsible for contributing to the findings of the Big Bang Theory?
Edwin Hubble
If something that makes light is moving AWAY from you, it spreads the wavelengths of light out. This application of the Doppler effect is known as ___.
red shift
How is the "Big Bang" described?
As a period of rapid expansion.
"The universe exists now as it always has" is a view of what theory
Steady State Theory
According to the Big Bang Theory, the universe started as a single ball of ________ and _______ small as an atom.
gas and dust