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प्रश्न
Fill in the blanks.
A huge system of stars is called a ________.
उत्तर
A huge system of stars is called a galaxy.
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संबंधित प्रश्न
What is a special characteristic of the planet Mars?
Look at the picture of the solar system and answer the following question.
Which planet is placed between the earth and Mercury?
Choose the odd one out.
Name the inner planets.
Write about the solar system.
Give an account of all the planets in the solar system.
Consider the following statements
Statement I: Jupiter is the fastest spinning planet in the solar system.
Statement II: Neptune is the coldest planet
Which of the statement (s) is/are true?
The Sun and the Celestial bodies revolving around it form the ______.
Match the following:
| 1. | Jupiter | a. | 17.2 hours |
| 2. | Mercury | b. | 10.7 hours |
| 3. | Venus | c. | 87.97 days |
| 4. | Saturn | d. | 9 hours 55 min |
| 5. | Mars | e. | 243 days |
| f. | 87.97 days | ||
| g. | 24 hours 37 min |
Numerical problems:
The Earth’s distance from the Sun is 149.6 × 106km and the period of Earth’s revolution is 1 year. Calculate the ratio of the squares of the periods to cubes of the major axis.
