As a 7th class student, understanding the universe and the earth is a crucial part of your science curriculum. The universe is a vast expanse of space and time that comprises everything that exists, including stars, planets, galaxies, and much more. The earth, on the other hand, is our home planet, where we live and thrive. In this article, we will explore the key concepts related to the universe and the earth, providing you with a comprehensive guide that you can access in PDF format.
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Whether you are reading this article, or have downloaded from your school portal, remember: You are made of stardust. The atoms in your body were forged inside ancient stars. So, when you study the universe, you are, in a way, studying yourself. As a 7th class student, understanding the universe
Today, you live on a 4.5-billion-year-old planet. Your body is made of stardust—carbon from that ancient supernova. You are protected by a thin blue sky. Beneath your feet, a molten core churns. And above you, the universe continues to expand, filled with a hundred billion galaxies, each with a hundred billion stars. In this article, we will explore the key