3586315
Questão 1
Questão
What did Edwin Hubble do?
Responda
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Identify other galaxies, invented the first telescope and realize that galaxies were moving away from us.
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invent the telescope and be an astronomer.
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a famous baker and invented the raisin theory.
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All of the above.
Questão 2
Questão
Galaxies are moving away from us.
Responda
- True
- False
Questão 3
Questão
Hubble believed that the universe is [blank_start]expanding[blank_end] in all directions.
Responda
-
expanding
Questão 4
Questão
What is electromagnetic radiation?
Responda
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Energy carried in the form of waves.
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Rays from the sun.
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Used in X-Rays.
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Used to make food.
Questão 5
Questão
What does a spectroscope do?
Responda
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Acts like a prism.
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Separates light into basic component colours.
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Allows the user to view spectral lines.
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All of the above.
Questão 6
Questão
A spectroscope measures wave lengths from the stars spectral lines?
Responda
- True
- False
Questão 7
Questão
When Edwin Hubble was studying the universe he saw the spectral lines from the purple side of the spectrum.
Responda
- True
- False
Questão 8
Questão
[blank_start]Red shift[blank_end] is when lights [blank_start]wave lengths[blank_end] become [blank_start]longer[blank_end]. That means that the object is [blank_start]receding[blank_end] away from us. Meaning that distant [blank_start]galaxies[blank_end] are moving [blank_start]away[blank_end] from us. When Edwin Hubble saw this, he discovered that the Universe was [blank_start]expanding[blank_end]. [blank_start]Cosmological Red shift[blank_end] is when lights wavelengths are constantly being lengthened. This is the main theory for how the Universe was born.
Responda
-
Red shift
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wave lengths
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longer
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receding
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galaxies
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away
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expanding
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Cosmological Red shift
Questão 9
Questão
What is the Big Bang theory?
Responda
-
A show.
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When space itself began, from a really tiny piece of space suddenly expanded into immense size in a very short time.
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When all the planets were formed.
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None of the above.
Questão 10
Questão
Cosmic background radiation is:
Responda
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Radiation from microwaves.
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A type of wavelength.
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noise in space.
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radiation left over from the Big Bang. When the universe was created it produced heat in the form of microwave radiation.
Questão 11
Questão
COBE stands for: Cosmic Background Explorer.
Responda
- True
- False
Questão 12
Questão
One of the strongest pieces of evidence to support the big bang theory is [blank_start]Cosmic Background Explorer[blank_end]. A team of Scientists moped the universe by using a satellite they sent up into space. they mapped the [blank_start]background radiation[blank_end]. Red areas indicate hotter places. Blue areas indicate places that have had time to cool.
Responda
-
background radiation
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Microwave radiation
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UV radiation
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Wavelengths
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Cosmic Background Explorer
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WMAP
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Edwin Hubble
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NASA
Questão 13
Questão
Wilkinson Microwave Antistropy Probe was sent up into space to make better predictions then the COBE.
Responda
- True
- False
Questão 14
Questão
Galaxies are clouds made out of dust and gas.
Responda
- True
- False
Questão 15
Questão
There are three types of galaxies: [blank_start]Spiral[blank_end], [blank_start]Elliptical[blank_end] and [blank_start]Irregular[blank_end]. Spiral Galxies are shaped like a pin wheel from above and from the side it looks like a plate with an orange in it. it contains mostly [blank_start]new[blank_end] [blank_start]stars[blank_end].
Responda
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Spiral
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Elliptical
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Irregular
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new
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stars
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