Quiz 1 Flashcards

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1
Q

This theory postulates that 13.7 billion years ago, the universe experienced a sudden inflation from a singularity to its present size and much cooler state.

A

The BigBang theory

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2
Q

When did bigbang was postulated?

A

13.7 billion years ago

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3
Q

Scientists who greatly impact Big Bang

A

Edwin Hubble, George Lemaitre, and George Gamow

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4
Q

he proposed that galaxies are moving from one another and this statement became an evidence of an expanding universe.

A

Edwin Hubble

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5
Q

he was the first proponent to attempt an explanation of Big Bang based on the notion of “primeval atom” or singularity.

A

George Lemaitre

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6
Q

Formulated the Big Bang theory known today. Gamow together with his colleagues, explained the series of thermonuclear reactions that happened which distributed chemical elements throughout the universe

A

George Gamow

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7
Q

it is a region of zero volume and infinite density, and infinite gravity.

A

SINGULARITY

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8
Q

Dark matter consists of how many percent

A

27%

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9
Q

Baryonic matter or Ordinary Matter consist of how many percent

A

5%

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10
Q

Dark energy consist of how many percent

A

68%

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11
Q

Ordinary matter consist of

A

4% H and He <1% Stars <1% Other

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12
Q

It is the major evidence of Big Bang by Edwin Hubble which infers that the galaxies are moving away from one another which supports the expansion of the universe.

A

UNIVERSAL REDSHIFT

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13
Q

is a phenomenon associated with waves, sounds wave and light waves (Harris, 2015)

A

Doppler Effect

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14
Q

used to broadcast radio and television

A

Radio wave

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15
Q

used in cooking, radar, telephone and other signals

A

Microwave

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16
Q

transmits heat from sun, fires, radiators

A

Infrared

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17
Q

makes things able to be seen

A

Visible light

18
Q

absorbed by the skin, used in fluorescent tubes

A

Ultraviolet light

19
Q

used to view inside of bodies and objects

A

X-ray

20
Q

used in medicine for killing cancer cells

A

Gamma ray

21
Q

The first “afterglow” of the hot, early universe is termed as the (Howell, 2017) It is a vital evidence of Big Bang that supports the expansion of the universe.

A

COSMIC MICROWAVE BACKGROUND RADIATION (CMB)

22
Q

Hydrogen into Helium is the source of power of the vast majority of stars. With the abundance of these elements, stars and galaxies is continued created as the universe expands.

A

ABUNDANCE OF LIGHT ELEMENTS (H, He, Li)

23
Q

The formation of these elements is termed as

A

nucleosynthesis

24
Q

refers to the combining of least two atomic nuclei combine/fuse into a single nucleus.

A

Nuclear fusion

25
Q

refers to the splitting of an atomic nucleus into two or lighter nuclei.

A

Nuclear Fission

26
Q

It is the process of creating elements by nuclear reactions. Essentially, it is the creation of elements of the periodic table

A

NUCLEOSYNTHESIS

27
Q

3 Stages of Nucleosynthesis:

A
  1. Big Bang or Primordial Nucleosynthesis- H, He, Li
  2. Stellar Nucleosythesis- Li, Fe
  3. supernova Nucleosythesis- Fe…
28
Q

Big Bang or Primordial Nucleosynthesis elements

A

H, He, Li

29
Q

Stellar Nucleosythesis elements

A

Li, Fe

30
Q

supernova nucleosythesis elements

A

Fe… (And every elements that are solid)

31
Q

Nucleosynthesis focuses on what’s in the nucleus of an atom which are

A

protons and neutrons

32
Q

Atoms with the same atomic number (proton) but differ in atomic mass (proton + neutron).

A

Isotopes

33
Q

God created the universe

A

Logical theory

34
Q

Known universe

A

Laniakea

35
Q

Universe is expanding because of

A

Dark energy

36
Q

Evidences that supports bigbang theory

A

Universal redshift, cosmic microwave background radiation (cmb), abundance of light elements

37
Q

Inventor of telescope

A

Galileo

38
Q

3 isotopes of hydrogen

A

Protium, deuterium, tritium

39
Q

1 hydrogen

A

Protium

40
Q

2 hydrogen

A

Deuterium

41
Q

3 hydrogen

A

Tritium