Prep.3 Science First term U3 L1 Universe and solar system

Choose :
The Hubble telescope was launched in April in ---------- .

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The building units of the universe are ------- .

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Galaxies are formed of groups of ----------- .

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-------- planets rotate around the sun .

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-------- is the star of our solar system .

- Put (true) or (false) :-
Universe is in continous expansion ( )

- Put (true) or (false) :-
The Sun is one of the heaviest stars ( )

- Put (true) or (false) :-
Stars explode due to nuclear reactions ( )

- Put (true) or (false) :-
Space is the vast vaccum that contains every thing ( )

- Put (true) or (false) :-
Space distances are measured in kilometers ( )

- Put (true) or (false) :-
Solar system is located in the centre of mirky way galaxy ( )

- Put (true) or (false) :-
Solar system is found on the inner arms of milky way galaxy ( )

- Put (true) or (false) :-
Laplace is the owner of big bang theory ( )

- Put (true) or (false) :-
Big bang explains formation of solar system ( )

- Choose the correct answer :-
The scientist that assumed that solar system was nebula is ..... (

- Choose the correct answer :-
The basic unit of universe is ..... ()

- Choose the correct answer :-
Solar system formed after ..... million years of bigbang ( )

- Choose the correct answer :-
Solar system consists of the sun and ..... planets (

- Choose the correct answer :-
Distance in space is measured in ..... ( )

Choose:
...............The two elements from which galaxies and stars have been formed are

Choose:
...........The origin of solar system according to crossing star theory is

Choose:
..............The theory that explains the origin of universe since 15000 millions years ago is