Tag: the big bang and the early development of the universe

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Questions Related to the big bang and the early development of the universe

Multiple choice social science universe and space the big bang and the early development of the universe origin of universe evolution of the universe

The large bright stars with a cool surface of ${2000}^{o}C$ to ${3000}^{o}C$, formed during the later stages of the evolution of a star like the sun as it runs out of ${H} {2}$ fuel at its center are __________.

  1. red dwarf

  2. white dwarf

  3. red giants

  4. brown dwarf
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Large bright stars with a cool surface of 2000oC to 3000oC, formed during the later stages of the evolution of a star like the sun as it runs out of H2 fuel at its center are Red giants

Ans: Red giants

Multiple choice social science universe and space the big bang and the early development of the universe origin of universe evolution of the universe

Horse head Nebula in Orion are dense clouds of molecular hydrogen which partially or completely absorb the light from the stars behind them. These are called ___________.

  1. planetary nebula

  2. dark nebula

  3. reflection nebula

  4. emission nebula
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Horse head nebula are called dark nebula.

Ans: Dark Nebula

Multiple choice social science universe and space the big bang and the early development of the universe origin of universe evolution of the universe

_________ are the outer layers of a star that are lost when the star changes from a red giant to white dwarf.

  1. planetary nebula

  2. dark nebula

  3. reflection nebula

  4. emission nebula
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Planetary Nebula are outer layers of a star that are lost when the star changes from red giant to white dwarf

Ans: Planetary Nebula

Multiple choice social science universe and space the big bang and the early development of the universe origin of universe evolution of the universe

Match the columns

$A$ $B$
(1) Stars (a) Pollution free
(2) Objects in the sky (b) Do not twinkle
(3) Planets (c) Twinkling bodies
(4) Clear sky (d) Celestial bodies

  1. 1-c, 2-d, 3-b, 4-a

  2. 1-d, 2-a, 3-c, 4-b

  3. 1-b, 2-c, 3-a, 4-d

  4. 1-c, 2-a, 3-d, 4-b
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

(1) Stars have their own light and are visible at night. Those are twinkling bodies
(2) Objects in the sky are together known as celestial bodies
(3) Planets do not have their own light. They get light from the stars. Hence they do not twinkle.
(4) When the sky is pollution free it becomes more clear and it is easy to view the heavenly bodies.