World Map

PRERNA FOR IAS

World Map

1. Earth

Earth is the third planet from the Sun and the only known planet that supports life. It has an approximate diameter of 12,742 km and a circumference of about 40,075 km. Around 71% of Earth’s surface is covered by water, while 29% consists of land. Earth rotates on its axis once every 24 hours, causing day and night, and revolves around the Sun in about 365¼ days, creating seasons. Its tilted axis of 23.5 degrees influences climate patterns. The planet contains diverse ecosystems, natural resources, and habitats that support millions of species, including humans.

2. World Map (Continents and Oceans)

A world map shows the distribution of continents and oceans across the Earth’s surface. The seven continents are Asia, Africa, North America, South America, Antarctica, Europe, and Australia. These landmasses vary greatly in size, population, and climate. Oceans separate the continents and regulate global weather patterns. Maps help people understand geographical locations, political boundaries, trade routes, and physical features. They are essential tools for navigation, education, and research. The world map also illustrates the interconnectedness of nations and ecosystems, helping us study global issues such as climate change, migration, and international cooperation.

3. Continents of the World

The world is divided into seven continents: Asia, Africa, North America, South America, Antarctica, Europe, and Australia. Asia is the largest and most populous continent, while Australia is the smallest. Antarctica is covered with ice and has no permanent population. Continents differ in geography, climate, culture, and biodiversity. They contain mountains, rivers, deserts, forests, and major cities. Human civilizations developed across these continents, shaping world history and culture. Underst