17. Stars And The Solar System Class 8 Science [LATEST] Solutions Chapter Review in English - CBSE Study
NCERT Solutions for Class 8 Science are carefully prepared according to the latest CBSE syllabus and NCERT textbooks to help students understand every concept clearly. These solutions cover all important 17. Stars And The Solar System with detailed explanations and step-by-step answers for better exam preparation. Each Chapter Review is explained in simple language so that students can easily grasp the fundamentals and improve their academic performance. The study material is designed to support daily homework, revision practice, and final exam preparation for Class 8 students. With accurate answers, concept clarity, and structured content, these NCERT solutions help learners build confidence and score higher marks in their examinations. Whether you are revising a specific topic or preparing an entire chapter, this resource provides reliable and syllabus-based guidance for complete success in Science.
Class 8 English Medium Science All Chapters:
17. Stars And The Solar System
1. Chapter Review
Chapter Review:
- The stars, the planets, the moon and many other objects in the sky are called celestial objects.
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The day on which the whole disc of the moon is visible is known as the full moon day.
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The various shapes of the bright part of the moon as seen during a month are called phases of the moon.
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On the fifteenth day the moon is not visible. This day is known as the new moon day.
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The next day of the new moon day, only a small portion of the moon appears in the sky. This is known as the crescent moon.
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The distance travelled by light in one year known as light year.
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The stars forming a group that has a recognisable shape is called a constellation.
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A body revolving around another body is called a satellite.
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A planet has a definite path in which it revolves around the Sun. This path is called an orbit.
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The movement of planets around the sun on their orbit is called revolution.
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The planets move on their own axis like top, Such movement s known as rotation.
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Mars appears slightly reddish and, therefore, it is also called the red planet.
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Moon revolving round the Sun.
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The smallest planet is mercury.
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The mass of Jupiter is about 318 times that of our Earth.
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On July 21, 1969 (Indian time) the American astronaut Neil Armstrong
landed on the moon for the first time. -
There is a large gap in between the orbits of Mars and Jupiter. This gap is occupied by a large number of small objects that revolve around the Sun. These are called asteroids.
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However we may see a bright streaks of light falling in the sky. These are commonly known as shooting stars, although they are not stars. They are called meteors.
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The Sun is nearly 150,000,000 kilometres (150 million km) away from
the Earth. -
The artificial satellites revolve around the Earth. They are much closer than the moon.
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Venus is the brightest planet in the night sky.
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