Tag: origin of universe

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Questions Related to origin of 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

_________ 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.

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

Which is NOT true of quasars ?

  1. The name "quasar" comes from "quasi-stellar radio source."

  2. Quasars are believed to be exploding stars.

  3. Quasars can be one hundred times as luminous as the Milky Way Galaxy.

  4. Quasars are found near the centre of large galaxies.

  5. the energy from quasars is thought to come from regions just outside super-massive black holes.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Quasars cannot be the exploding star in our galaxy as they are the centers of other galaxies , most distant object from earth . Quasars have nothing common with regular stars , only they are the galaxies of stars.

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 Big Bang Theory explains:

  1. the beginning of life

  2. origin of the universe

  3. law of Gravity

  4. why the universe was created
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

We know that the universe consists of stars and their respective planetary systems. 

As per the Big Bang Theory, at the beginning of the universe, there was a huge mass of matter. This mass exploded and got broken up into millions of fragments. These fragments became stars. Some parts of these stars got detached from them and cooled down to form planets.
This is how the Universe was created. 

The beginning of life can be explained only after the beginning of the universe and the earth.

The law of gravity explains the mild force of attraction between any two objects. That is the reason why objects fall on earth. It has nothing to do with The Big Bang Theory.

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

Most of the helium in the Universe is believed to have been produced in-

  1. red giants

  2. the Big Bang

  3. supernovae

  4. none of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Big Bang nucleosynthesis is the process that occurred in the early universe, creating most of the light elements, including helium, hydrogen, and trace amounts of lithium.