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4

Polar Auroras are

A. Quasars

B. b) Pulsar

C. Aurora Borealis

D. White Dwarfstar

Correct Answer :

C. Aurora Borealis


Related Questions

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4

Arrange the Outer Planets in increasing order of their sizes.
1. Jupiter
2. Uranus
3. Saturn
4. Neptune

A. 4, 2, 3, 1

B. 4, 2, 1, 3

C. 2, 4, 3, 1

D. 4, 2, 3, 1

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4

What is siderial day?

A. Time taken by the earth to complete one rotation with respect to a fixed star at infinity

B. Time taken by the earth to complete one revolution with respect to the Moon

C. Time taken by the earth to complete one rotation with respect to the Moon

D. Time taken by the earth to complete one rotation with respect to the Sun

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4

On which date is the Earth in 'aphelion'?

A. July-4

B. December-22

C. September-23

D. June-21

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4

What is the name of 'brightest Planet'?

A. Venus

B. Mercury

C. Mars

D. Saturn

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4

Which of the following planets is called 'blue planet'?

A. Venus

B. Earth

C. Mars

D. Uranus

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4

A celestial body consisting of a gaseous cloud enveloping a bright nucleus moving around the Sun in an elliptical or parabolic orbit so eccentrically that some escapes from the Solar Systems is called

A. Comet

B. Great Bear

C. Meteores

D. Asteroides

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4

What happens during the equinoxes?

A. The countries along the Equator are in darkness

B. The countries along the Equator are at their hottest

C. The countries along the Equator are at their wettest

D. The Sun shines vertically over the Equator

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4

When the earth is at its maximum distance from the Sun it is said to be in

A. Perigee

B. Apogee

C. Perihelion

D. Aphelion

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4

What la the difference between a gulf and a bay?

A. A gulf is big and a bay is small

B. A gulf is at a rivermouth and a bay is not

C. A bay is surrounded by cliffs and a gulf by lowland

D. Both are part of the sea that extend considerably into the land, but a bay usually has a wider entrance than a gulf

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4

Nearest star to the earth is _____.

A. Alfa Centaury

B. Sun

C. Proxima Centaury

D. Dog Star

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4

A swarm of small bodies in between the two Planets of Solar System is called 'asteroids' which are those two Planets?

A. Mars and Jupiter

B. Earth and Venus

C. Neptune and Pluto

D. Jupiter and Saturn

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4

The dark patches, associated with the Sun storms present in Sun are called

A. Sunspots

B. Pulsars

C. White Dwarfstar

D. Supernova

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4

Equatorial circumference of the Earth is

A. 40067 km

B. 50067 km

C. 4067 km

D. 5067 km

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4

Sun revolves around galaxy once in every 250 million years, this length of time is called _____.

A. Cosmic or Galactic Year

B. Mean Solar Year

C. Sidereal Year

D. Leap Year

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4

One Astronomical Unit is the average distance between

A. Earth and the Sun

B. Earth and the Moon

C. Jupiter and the Sun

D. Pluto and the Sun

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4

Earth revolves round the Sun In an orbit once In every __.

A. 24 hours

B. 20 hours

C. 365 % days

D. 366 days

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4

Largest satellite in Solar System is ____.

A. Moon

B. Ganymede

C. Europa

D. Cheron

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4

Our Solar System is an orderly community of _____.

A. One star

B. Two stars

C. Three stars

D. Four stars

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4

Equatorial diameter of the Earth is __.

A. 12757 km

B. 17257 km

C. 17527 km

D. 17572 km

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4

In which direction la the Tropic oC Capricorn in relation to the Equator?

A. North

B. South

C. East

D. West

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4

Sunspots are

A. undulations on the solar surface

B. huge magnetic storms on the solar surface

C. places with adequate sunshine

D. places of tourist importance

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4

The date on which the Sun is vertical over the 'Tropic of Cancer' is

A. June-21

B. December-22

C. March-21

D. September-23

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4

Polar Auroras are called __ in Southern Hemisphere.

A. Aurora Australis

B. Quasars

C. Aurora Borealis

D. Pulsar

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4

Earth ranks _____ in the Solar System away from the Sun.

A. 5th

B. 4th

C. 6th

D. 3rd

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4

The tail of a comet is directed away from the Sun because

A. as the comet rotates around the Sun, the light mass of the comet is pushed away due to the centrifugal force alone

B. as the comet rotates, the lighter mass of the comet is attracted by some star situated in the direction of its tail

C. the radiation emitted by the Sun exerts a radial pressure on the comet throwing its tail away from the Sun

D. the tail of the comet always exists in the same orientation

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4

Planet with nearly equal rotation and revolution time to the earth is _____.

A. Venus

B. Mercury

C. Uranus

D. Mars

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4

Which of the following statements best describes longitudes?

A. An imaginary line on the earth's surface joining the north and south pole

B. The angular distance east or west of the Greenwich Meridian

C. The distance of place east or west of the Greenwich Meridian

D. The position of a place on the Earth surface with reference to the Prime Meridian

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4

The solar eclipse takes place when

A. The Earth comes between the Sun and the Moon

B. The Moon passes between the Sun and the Earth

C. The Sun comes between the Earth and the Moon

D. The Planets of the Solar System lies on the same plane

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4

What is the Southern Cross?

A. Position of the Sun during summer solstice

B. Position of the vertical Sun during winter solstice

C. A star showing the position of the South Pole

D. Point of intersection of Antarctic Circle and the Prime Meridian

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4

In which of the following planets, the Great Red Spot has been the special feature?

A. Jupiter

B. Saturn

C. Mars

D. Venus