🌟 Welcome Young Space Explorers! 🌟
Let's Learn About Our Amazing Universe!
Did You Know? Our Solar System has 8 planets, and Earth is the only planet with life! 🌍✨
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🤔 Question 1: What's the Solution?
An asteroid has fallen out of its place and is hurtling towards the sun. Our Earth is in its way! What can be done to prevent this collision?
Answer:
🚀 We can use the shock wave to deflect it away from Earth! This means attaching three large remote-controlled rockets to the asteroid, turning it into a large space vehicle, and moving it away from the dangerous collision path.
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🧠 Use Your Brain Power!
What will happen to our solar system if the sun were to suddenly disappear?
Answer:
☀️ All life forms on Earth will cease because the sun is our source of light and heat.
🌑 There will be complete darkness on all planets.
💥 The planets will move from their orbits and may clash against each other!
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🌟 Question 3: Solar System Questions
(a) Which planet is nearest to the Sun?
Answer: Mercury ☄️
(b) At what position is the Earth from the Sun?
Answer: Third (3rd) 🥉
(c) Which planet is placed between the Earth and Mercury?
Answer: Venus 💫
(d) Name the planets beyond the orbit of Mars in serial order.
Answer: Jupiter, Saturn, Uranus and Neptune 🪐
(e) Which planet in the Solar System is furthest from the sun?
Answer: Neptune 🔵
All 8 Planets in Order:
1. Mercury ☄️
2. Venus 🌟
3. Earth 🌍
4. Mars 🔴
5. Jupiter 🌪️
6. Saturn 🪐
7. Uranus 💙
8. Neptune 🔵
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❓ Question 4: Who Am I?
(a) You can see me from the Earth but the lighted part of me that you see changes every day.
Answer: The Moon 🌙
(b) I have my own light. It is only from me that the planets get light and heat.
Answer: The Sun ☀️
(c) I turn around myself, around a planet and also around a star.
Answer: Satellite 🛰️
(d) I turn around myself and revolve around the Sun.
Answer: Planet 🪐
(e) No other planet has a living world like mine.
Answer: Earth 🌍
(f) I am the nearest star to the Earth.
Answer: The Sun ☀️
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🚀 Question 5: Space Travel
(a) For what purpose are rockets used in space travel?
Answer:
🚀 Very powerful rockets are used to send a spacecraft into space.
⛽ A tremendous quantity of fuel is burnt in rockets so that spacecraft weighing thousands of tons may be launched into space.
(b) What information do man-made satellites provide?
Answer:
🌾 Agriculture information
🌍 Environment monitoring
🌤️ Weather forecasting
🗺️ Making maps
💧 Searching for water and mineral wealth
📡 Telecommunication
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✍️ Fill in the Blanks ✍️
1. The heavenly bodies that twinkle are called _______.
Answer: Stars ⭐
2. Satellites and planets get their light from the _______.
Answer: Sun ☀️
3. The heavenly body closest to the Earth is _______.
Answer: Moon 🌙
4. _______ is an important Indian space mission on Mars.
Answer: Mangalyaan 🇮🇳
5. Scientists who travel in the spacecraft are called _______.
Answer: Astronauts 👨🚀
6. _______ became the first Indian astronaut to go in space.
Answer: Rakesh Sharma 🇮🇳
7. The Sun is a _______.
Answer: Star ⭐
8. Our Earth is a _______.
Answer: Planet 🌍
9. The Earth's movement around the sun is called the _______ of the Earth.
Answer: Revolution 🔄
10. The pathway along which the planets move around the sun is known as the planet's _______.
Answer: Orbit 🛤️
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📚 Short Answers 📚
1. What is the solar system?
Answer:
The sun and their planets, their satellites, dwarf planets and asteroids that revolve around the sun are together called the solar system. 🌞🪐
2. What are satellites?
Answer:
Some heavenly bodies which revolve around the planets are called satellites. 🛰️
3. What do you mean by the force of gravity?
Answer:
All heavenly bodies exert a force of attraction or a pull on one another, this is called the force of gravity. ⬇️
4. What are stars?
Answer:
Heavenly bodies that twinkle are called stars. ⭐✨
5. What are planets?
Answer:
Heavenly bodies that do not twinkle are called planets. 🪐
6. What are dwarf planets?
Answer:
Some smaller heavenly bodies that revolve around the sun are called dwarf planets. Example: Pluto
7. What are Asteroids?
Answer:
A band of numerous small heavenly bodies are called Asteroids. They are situated between the planets Mars and Jupiter. ☄️
Difference Between Stars and Planets:
| ⭐ Stars |
🪐 Planets |
| Stars twinkle ✨ |
Planets do not twinkle |
| Stars have their own light 💡 |
Planets do not have their own light |
| Example: The Sun ☀️ |
Example: The Earth 🌍 |
🇮🇳 🇮🇳 🇮🇳
🇮🇳 Indian Space Missions
Mangalyaan (Mars Orbit Mission - M.O.M.)
🚀 Launch Date: 5 November 2013
🪐 Orbit Date: 24 September 2014
🤖 Type: Unmanned Mission
🎯 Objective: Deeper study of the Moon and Mars
🏢 Organization: ISRO (Indian Space Research Organisation)
Rakesh Sharma - First Indian in Space 🇮🇳👨🚀
Rakesh Sharma became the first Indian astronaut to go into space in 1984. He spent eight days in space. It was a joint mission of ISRO and the Soviet Intercosmos.
His Famous Words: Seeing India from space, he said it looked: "Saare jahan se achha" 🇮🇳❤️
🌟 Amazing Space Facts! 🌟
🌍 Earth is the 3rd planet from the Sun
🌙 The Moon is Earth's only natural satellite
☀️ The Sun is 1.3 million times bigger than Earth!
🪐 Saturn has beautiful rings made of ice and rock
🚀 It takes about 3 days to reach the Moon
⭐ There are billions of stars in our galaxy!
🎉 Great Job! You've Completed Chapter 1! 🎉
Keep Learning and Exploring the Universe! 🌌
