Stars And The Solar System

Physics
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Pole Star is one of the stars in:

A
Ursa Minor
B
Ursa Major
C
Andromeda
D
Cancer
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The planets keep changing their position with respect to:

A
Galaxy
B
Stars
C
Venus
D
Moon
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Morning star is the name given to

A
pole star
B
star Sirius
C
planet Jupiter
D
planet Venus
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Light year is the unit of 

A
distance
B
time
C
speed
D
mass
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Fill in the blank:

The Halley's comet appears in the sky after ________.

A
67 years.
B
167 years.
C
76 years.
D
100 years.
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A Light year is

A
Light emitted by the Sun in one year.
B
Time taken by light to travel from Sun to Earth.
C
The distance travelled by light in one year.
D
Time taken by Earth to go once around the Sun.
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