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Questions and Answers
What keeps the planets and other objects in orbit in the Solar System?
What keeps the planets and other objects in orbit in the Solar System?
- The Earth's gravity
- The Oort Cloud's gravity
- The gravity of the rocky inner planets
- The Sun's immense gravity (correct)
What makes Earth unique compared to other planets in the Solar System?
What makes Earth unique compared to other planets in the Solar System?
- Its proximity to the Sun
- Its rocky composition
- Its ability to sustain life (correct)
- Its gas giant status
What are Uranus and Neptune commonly known as?
What are Uranus and Neptune commonly known as?
- Ice giants (correct)
- Gas giants
- Asteroids
- Rocky inner planets
What is the name of the Indian mission that contributed to our understanding of the Solar System?
What is the name of the Indian mission that contributed to our understanding of the Solar System?
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What is the region of the Solar System home to many comets and icy bodies?
What is the region of the Solar System home to many comets and icy bodies?
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Study Notes
The Solar System
- The Solar System consists of the Sun, planets, moons, asteroids, comets, and other space objects.
- The Sun's gravity keeps these bodies in orbit.
Planets
- The planets are divided into two categories: rocky inner planets and gas giants.
- Rocky inner planets include Mercury, Venus, Earth, and Mars.
- Gas giants include Jupiter and Saturn, with Uranus and Neptune known as ice giants.
Earth
- Earth is uniquely capable of sustaining life.
- Earth is a subject of interest for scientists worldwide due to its ability to support life.
The Kuiper Belt and the Oort Cloud
- The Kuiper Belt and the Oort Cloud are part of the Solar System.
- They are home to many comets and other icy bodies.
Indian Contributions
- Indian astronomers and space scientists contribute significantly to our understanding of the Solar System.
- The Mars Orbiter Mission (Mangalyaan) is an example of India's contributions to space exploration.
Importance of Exploration
- Continuous exploration of the Solar System inspires curiosity and a sense of responsibility towards our own planet.
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