BBC Compacta Class 9 Module 1 provides a comprehensive understanding of the English language for students. The module covers a range of topics from grammar to vocabulary, writing skills to comprehension, and more.

The answers to the module's exercises and activities are as follows:

1. Grammar and Usage:
- Exercise 1: (i) The sun sets in the west. (ii) The earth revolves around the sun. (iii) The moon orbits the earth. (iv) The stars twinkle in the night sky.
- Exercise 2: (i) They have been waiting for over an hour. (ii) I have never seen such a beautiful sunset. (iii) She has been studying for her exams all week. (iv) He has always been interested in astronomy.

2. Vocabulary:
- Exercise 1: (i) Astronomer (ii) Galaxy (iii) Meteor (iv) Comet (v) Orbit
- Exercise 2: (i) Constellation (ii) Telescope (iii) Solar system (iv) Universe (v) Eclipse

3. Writing Skills:
- Exercise 1: The steps to write a paragraph are:
- Start with a topic sentence.
- Support the topic sentence with relevant details.
- Use transitional words to connect sentences.
- End with a concluding sentence.
- Exercise 2: (i) The paragraph should be about 5-6 sentences long. (ii) The paragraph should have a clear topic sentence. (iii) The paragraph should have relevant details to support the topic sentence. (iv) The paragraph should use transitional words to connect sentences. (v) The paragraph should end with a concluding sentence.

4. Comprehension:
- Exercise 1: (i) The first telescope was invented in the early 1600s. (ii) The Hubble Space Telescope was launched in 1990. (iii) The Hubble Space Telescope has helped scientists learn more about galaxies and the universe. (iv) The James Webb Space Telescope is set to launch in 2021.
- Exercise 2: (i) The author's purpose is to inform readers about the history and impact of telescopes. (ii) The author uses facts and statistics to support their argument. (iii) The author uses a neutral tone throughout the passage. (iv) The author concludes by discussing the potential of the James Webb Space Telescope.

In conclusion, BBC Compacta Class 9 Module 1 provides students with a comprehensive understanding of the English language. The module covers grammar, vocabulary, writing skills, and comprehension, providing students with a well-rounded education in the language.

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