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
An ambulance has driven past you.
The pitch of the siren has just INCREASED or DECREASED
decreased
Recall the frequencies of colour in the visible light spectrum.
Red, Orange, Yellow, Green, Blue, Indigo, Violet.
In the beginning, the Universe was condensed into a tiny pinpoint called a ........?
Singularity
Which colour has a slower frequency wave - Red or Blue?
Red
Ever since the universe began, the universe has been
expanding
CBM stands for
Cosmic Microwave Background Radiation
If something has been 'redshifted', what has happened to its wavelength?
Most distant galaxies show a RED SHIFT. This is considered EVIDENCE that the universe is ___.
expanding
Which two elements are abundant in the universe and provide evidence for the Big Bang theory?
Hydrogen and Helium
If a galaxy is moving towards you, which colour frequency will it be shifted towards?
Blue
Which occurred first in the formation of the universe? Formation of stars, galaxies, and other celestial bodies over billions of years. OR Formation of subatomic particles and simple elements (hydrogen and helium).
Formation of subatomic particles and simple elements (hydrogen and helium).
TRUE or FALSE: A major discovery made by the Hubble Space Telescope that has contributed to our understanding of the origin of the universe is discovery of the abundance of hydrogen and helium atoms in space.
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?
Cosmic Microwave Background (CMB)
or
Red Shift
The atom of which element was first created after the Big Bang?
Hydrogen. 1 electron and 1 Proton.
Which SCIENTIST was responsible for contributing to the findings of the Big Bang Theory?
Edwin Hubble
The force that pulls gases and dust together to form planets or stars.
Gravity
How is the "Big Bang" described?
As a period of rapid expansion.
What is Cosmic Microwave Background Radiation?
A faint glow of light that fills the universe, falling on Earth from every direction.
A key feature of the Hubble Space Telescope (HST) that make it different from ground-based telescopes is that it:
is located above the Earth’s atmosphere, allowing it to capture clearer images