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Origins of the Universe Flashcards | StudBud
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Origins of the Universe
Origins of the Universe
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The solar system and introduction to the universe
Flashcards
16 cards
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Practice quiz
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Questions
16
Answers
1
What is the closest galaxy to our own and is moving towards us?
Andromeda Galaxy
Barnard's Galaxy
Large Magellanic Cloud
Draco Dwarf
2
How long ago do astronomers believe the Big Bang occurred?
4.5 billion years ago
13.8 billion years ago
14 million years ago
10 000 years ago
3
If the universe continues to behave as it currently does, in the future it will be:
Hot and dense
Cold and open
Cold and dense
Hot and open
4
If a star shows the element iron in its spectral analysis, what can scientists conclude?
It will change its magnetic field
It has reached the end of nuclear fusion
The star is at the beginning of its life cycle
The star will become heavier
5
What did Penzias and Wilson discover?
Spectral Analysis
Distant Galaxies
Cosmic Microwave Background Radiation
Movement of galaxies
6
How does red shift data support the Big Bang theory?
Light waves can travel in a vacuum
The universe is continuing to cool down
Galaxies will crash into each other to create new elements
The original expansion of the Big Bang is continuing
7
A galaxy is moving away from us. What colour will the spectral analysis shift towards?
Light Spectrum
Yellow
Red
Blue
8
How many galaxies are thought to be in our observable universe?
100 billion
100 million
1000
500 billion
9
A large collection of stars, gas, and dust held together by gravity is a...
Solar System
Galaxy
Nebula
Supernova
10
What is the process that forms stars?
Nuclear Power
Spinning
Nuclear Fusion
Expansion
11
What type of galaxy is the Milky Way?
Regular Star
Spiral
Irregular
Elliptical
12
If a distant galaxy was moving towards us, what would happen to the light waves?
Stay the same
Become closer together
Further apart
Be less frequent
13
What does Hubble's Law tell us?
Red Shift
More distant galaxies are moving away faster
The Big Bang Theory
Galaxies are moving away
14
Who made the discovery that the 'universe is expanding'?
Edwin Hubble
Albert Einstein
Marc Aaronson
George Ogden Abell
15
The distance between galaxies is increasing, why?
Galaxies are moving quickly
Space between them is expanding
Space between them is constant
Gravitational Pull
16
What is the Doppler Effect?
Waves are pushed together or stretched apart
Waves move towards the red end of the spectrum
Objects emitting radiation are louder
Waves can move at the speed of light
