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Test: The Earth In The Solar System


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10 Questions MCQ Test Geography for UPSC CSE | Test: The Earth In The Solar System

Test: The Earth In The Solar System for Class 6 2022 is part of Geography for UPSC CSE preparation. The Test: The Earth In The Solar System questions and answers have been prepared according to the Class 6 exam syllabus.The Test: The Earth In The Solar System MCQs are made for Class 6 2022 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: The Earth In The Solar System below.
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Test: The Earth In The Solar System - Question 1

How many planets are there in our solar system?

Detailed Solution for Test: The Earth In The Solar System - Question 1
  • There are eight planets in the solar system: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
  • The International Astronomical Union (IAU) downgraded the status of Pluto to that of a dwarf planet because it did not meet the three criteria the IAU uses to define a full-sized planet. Essentially Pluto meets all the criteria except one—it “has not cleared its neighbouring region of other objects.”
Test: The Earth In The Solar System - Question 2

The planet known as the Earth twin is________.

Detailed Solution for Test: The Earth In The Solar System - Question 2

The Earth and Venus do often get called planetary twins because:

  • They are very close to being the same mass.
  • Both are rocky planets, therefore they have effectively the same density and resulting very close resemblance of physical size.
  • They have significant atmospheres surrounded their surfaces.
Test: The Earth In The Solar System - Question 3

What is the orbital period of the Moon?

Detailed Solution for Test: The Earth In The Solar System - Question 3

The moon orbits the Earth once every 27.322 days. It also takes approximately 27 days for the moon to rotate once on its axis.
As a result, the moon does not seem to be spinning but appears to observers from Earth to be keeping almost perfectly still.

Test: The Earth In The Solar System - Question 4

Why is the earth called as Blue Planet?

Detailed Solution for Test: The Earth In The Solar System - Question 4

Earth has been called the "Blue Planet" due to the abundant water on its surface i.e. two-third of its surface.
Only 2.5–2.75% is freshwater of which 1.75–2.00% is Frozen in glaciers and ice caps and the rest is available for human use and is available as ground freshwater.
Planet Earth was blue long before we knew | New Scientist

Test: The Earth In The Solar System - Question 5

All the planets move around the sun in an _________.

Detailed Solution for Test: The Earth In The Solar System - Question 5
  • Planets pull on each other and the Sun also exerts a gravitational pull on them.
  • This has the effect of squashing orbits that one might expect to be circular in a closed system resulting in an elliptical shape.

Elliptical Orbit

 

Test: The Earth In The Solar System - Question 6

The polar star indicates to which direction?

Detailed Solution for Test: The Earth In The Solar System - Question 6

► The Earth spins on its “axis “if we followed this axis out into space from northern hemisphere on Earth, it would point towards a particular star in the sky which is known as the ‘North star’ since it sits in the direction that the spin axis from the northern hemisphere of Earth point.

Test: The Earth In The Solar System - Question 7

Asteroids are found between the orbit of______.

Detailed Solution for Test: The Earth In The Solar System - Question 7

Early in the history of the solar system, the gravity of newly formed Jupiter brought an end to the formation of planetary bodies in this region and caused the small bodies to collide with one another, fragmenting them into the asteroids we observe today. They lie between Mars and Jupiter.

Asteroids are mainly found between the orbits of ______. Fill in the blanks  with

Test: The Earth In The Solar System - Question 8

A group of _______ forming various patterns is called constellation.

Detailed Solution for Test: The Earth In The Solar System - Question 8

A constellation is a group of stars that appears to form a pattern or picture. They are easily recognizable patterns that help people orient themselves using the night sky. There are 88 “official” constellations

Test: The Earth In The Solar System - Question 9

How many days does it take the earth to revolve around the sun?

Detailed Solution for Test: The Earth In The Solar System - Question 9

Earth revolves around the sun in 365 days, 5 hours, 59 minutes and 16 seconds.

Test: The Earth In The Solar System - Question 10

A huge system of stars is called _______.

Detailed Solution for Test: The Earth In The Solar System - Question 10

A group of stars forming various patterns is called a constellation. A huge system of stars is called a galaxy.

A galaxy is a huge collection of gas, dust, and billions of stars and their solar systems.

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