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Different constellations and galaxies - class-IX

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Which of the following is NOT a member of the solar system?

  1. An asteroid

  2. A satellite

  3. A constellation

  4. A comet


Correct Option: C
Explanation:

Constellation is a group of stars that forms a distinctive pattern in the night sky. Constellation is not a part of the solar system

Sirius can be located by which constellation?

  1. The great Bear

  2. Cassiopeia

  3. Orion

  4. Leo Major


Correct Option: C
Explanation:

Sirius is located close to Orion. If an imaginary straight line is made to pass through the middle stars of Orion towards the East, it leads to Sirius.

To be known as a constellation, a collection of stars should form

  1. a geometric form

  2. a recognisable shape

  3. a straight line

  4. a circular form


Correct Option: B
Explanation:

A group of stars forming a recognisable shape is called a constellation. Those were made by ancient people for easy recognition of stars.

Fill in the blanks:

In Ursa Major, _______ stars form the shape of the handle and ______ stars form the shape of the bowl of the ladle respectively.
  1. $4, 3$

  2. $5, 6$

  3. $3, 4$

  4. $2, 5$


Correct Option: C
Explanation:

The $7$ prominent stars of Ursa Major for the shape of a big ladle in which $3$ stars form the handle and the other $4$ form the bowl of the ladle.

The other name(s) for Ursa Major is / are

  1. the Big Dipper

  2. the Saptarshi

  3. the Great Bear

  4. all of the above


Correct Option: D
Explanation:

The other names for Ursa Major are the Big Dipper, the Great Bear and the Saptarshi.

Identify the wrong statement about Ursa major.
  1. It can be used to locate Pole star.

  2. It is seen during winter.

  3. It is also called the Big Dipper.

  4. It has 7 prominent stars.


Correct Option: B
Explanation:

Ursa Major can be used to locate the Pole star by extending an imaginary straight line towards the north from the last tow stars.

It is also known as the Big dipper and has 7 bright prominent stars which look like a question mark. 
It is seen during summer season and not during winter.

Leaving the 3 middle stars apart, which shape is formed by the remaining 4 bright starts of the Orion? 

  1. Circle

  2. Irregular circle

  3. Triangle

  4. Quadrilateral


Correct Option: D
Explanation:

Out of the 7 or 8 bright stars of the Orion, 3 form a straight line in the middle resembling the belt of the hunter and the other four form or five form the quadrilateral.

To locate the Pole Star using Ursa Major, to which direction should the imaginary line be drawn?

  1. North

  2. West

  3. East

  4. South


Correct Option: A
Explanation:

Pole star can be located using Ursa Major by extending an imaginary line from the last two stars towards the North direction.

Fill in the blank:

Hunter constellation can be used to locate ________.

  1. Pole star

  2. Apollo

  3. Sirius

  4. Rigel


Correct Option: C
Explanation:

Hunter is another name for the constellation Orion, which can be used to locate the brightest star Sirius by extending an imaginary straight line from the three middle stars towards the East.

Which of the following are true for Cassiopeia?

  1. It appears in the northern sky.

  2. It has 5 prominent stars

  3. It is visible during winter at late night

  4. It looks like a distorted letter W or M


Correct Option: A,B,D
Explanation:

Cassiopeia has 5 prominent stars that shine brightly and appear like a distorted letter W or M. It is visible in the northern sky during winters early in the night.

Fill in the blank:

Ursa Major appears like ________.

  1. a ladle

  2. a quadrilateral

  3. the letter 'M'

  4. a huntter


Correct Option: A
Explanation:

The bright stars of Ursa Major appear to be like a big ladle with 3 stars forming the handle and 4 stars forming the bowl.

Fill in the blank:

Ursa major appears to revolve around the _______.

  1. Sirius

  2. Alpha Persei

  3. Pole star

  4. Alpha Centauri


Correct Option: C
Explanation:

Pole star lies close to the axis of rotation of Earth and hence appears to be fixed in one position. The other stars and constellation including the Ursa Major appear to revolve around it.

Only few stars of a constellation are clearly visible through naked eyes because:

  1. those are the prominent ones

  2. those are close to the Earth while others are far away

  3. others are covered by clouds

  4. others are a myth


Correct Option: A
Explanation:

Many stars form the constellation but only few of them shine brightly and can be seen through naked eyes clearly. These are the prominent stars of the constellation and those help in locating the constellation.

Cassiopeia appears in _________ hemisphere.
  1. northern

  2. southern

  3. eastern

  4. western


Correct Option: A
Explanation:

Cassiopeia constellation appears in the northern hemisphere and can be seen in winter during the early part of night.

Which constellation, also known as the Twins, is visible in the northern hemisphere from November through April :

  1. Aquarius

  2. Leo

  3. Gemini

  4. Capricornus


Correct Option: C
Explanation:

Gemini Constellation is one of the zodiac constellations. Its Latin name is twins.

'X' is a group of stars visible during winter season in the late evening. It resembles a hunter in the kneeling position. What is 'X'?

  1. Ursa Major

  2. Orion

  3. Cassiopeia

  4. Aquarius


Correct Option: B
Explanation:

Orion is another well-known constellation that can be seen during winter in the late evenings. It is one of the most magnificent constellations in the sky. It also has seven or eight bright stars. Orion is also called the Hunter.

Column-I Column-II
(1) Ursa Major (a) The queen
(2) Orion (b) Big bear
(3) Cassiopeia (c) Pole star constellation
(4) Ursa minor (d) Hunter
  1. (1) $\rightarrow$ b; (2) $\rightarrow$ d; (3) $\rightarrow$ c; (4) $\rightarrow$ a.

  2. (1) $\rightarrow$ b; (2) $\rightarrow$ a; (3) $\rightarrow$ d; (4) $\rightarrow$ c.

  3. (1) $\rightarrow$ c; (2) $\rightarrow$ d; (3) $\rightarrow$ a; (4) $\rightarrow$ b.

  4. (1) $\rightarrow$ b; (2) $\rightarrow$ d; (3) $\rightarrow$ a; (4) $\rightarrow$ c.


Correct Option: D
Explanation:

Ursa major looks like a big bear.

Orion is named after a hunter of Greek.
Cassiopeia is named after vain queen of Greek mythology .
Ursa minor has pole star as its brightest star.

Great Bear is commonly known as

  1. Saptarshi

  2. Dhruv tara

  3. Pole star

  4. Orion


Correct Option: A
Explanation:

Saptarshi is known as the great bear due to its shape like bear. Another name of Saptarshi is dhruva tara.

Which of the following does not represent a cluster of stars?

  1. Rigel

  2. Aquarius

  3. Capricon

  4. Aries


Correct Option: A
Fill in the blank:

Vrishchika is the Indian name for ________ constellation.
  1. Virgo

  2. Gemini

  3. Leo

  4. Scorpio


Correct Option: D
Explanation:
Scorpio is a constellation of seven star, commonly called 'Vrishchika' in India.

Fill in the blank:

Ursa Major: _________ :: Orion: Hunter

  1. Big Dipper

  2. Leo Major

  3. Great Bear

  4. Saptarshi


Correct Option: C
Explanation:
Orion, due to its appearance, is known as Hunter. Similarly, due to its appearance, Ursa Major is known as Great Bear.

Fill in the blank:

The 3 middle stars in Orion represent the ________.

  1. belt of the bear

  2. belt of the hunter

  3. tail of the bear

  4. stick of the hunter


Correct Option: B
Explanation:

Constellations were phrased by ancient people to enable easy recognition of stars. Constellations resemble objects that were familiar to those people. Orion resembles the hunter, and the 3 middle stars of the constellation represent the belt of the hunter.

What is a group of stars in the sky that form an imaginary picture ? 

  1. Solar System

  2. Moon

  3. Constellation

  4. Galaxy


Correct Option: C
Explanation:

Group of stars in the sky that form an imaginary picture is called constellation there are various constellation in the sky.

Star Sirius, belongs to constellation named :

  1. Taurus

  2. Aquarius

  3. Canis Major

  4. Orion


Correct Option: C
Explanation:

Sirius star is the most brightest star and it belong to the Canis Major Constellation.

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