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Indian astronomy

Adapted from Wikipedia · Explorer experience

An ancient astronomical instrument at Jantar Mantar in Delhi, India.

Ancient Star Watchers

People in the Indian subcontinent have loved watching the stars for a very long time. Long ago, they looked up at the night sky and learned many things about the Sun, Moon, and stars. They wrote down what they saw in special books called the Vedas. These books helped people know when to celebrate festivals and when to plant crops.

Sharing Ideas

Later, Indian astronomers met people from other places, like Greece. They shared ideas and learned new ways to study the sky. One smart astronomer named Aryabhata lived a long time ago. He wrote a book called the Aryabhatiya. In his book, he explained how the Earth spins and why we have day and night. Many other clever people, like Brahmagupta and Varahamihira, added more ideas to help us understand the universe.

Special Tools

Ancient Indian star watchers used fun tools to learn about the sky. One tool was called a Sanku, or gnomon. It was a stick that cast a shadow, helping people tell the time of day. They also used a tool called the Yasti-yantra, or Cross-staff, to measure angles in the sky. These tools helped them figure out when special events, like eclipses, would happen.

Beautiful Calendars

People in ancient India made special calendars to track the seasons and important dates. These calendars helped everyone know when to celebrate festivals or start new projects. One famous calendar began from a very old time called the Kali Yuga. Even today, many people in India still use ideas from these old calendars.

Big Observatories

Much later, a king named Jai Singh II built huge observatories called Jantar Mantars in several cities. These places had giant tools, like sundials, to watch the stars and guess when eclipses would happen. One famous tool was the Samrat Yantra, a very big sundial that told time very exactly.

Modern Discoveries

Today, India continues to explore the stars with modern tools. Astronomers work in big observatories and use satellites to learn even more about space. They have made important discoveries, like finding special bacteria high in the atmosphere and landing on the Moon with Chandrayaan-3. The sky is full of wonders, and India’s star watchers keep discovering new things every day!

Images

The Crab Nebula: A beautiful remnant of a star explosion, captured by NASA's Hubble Space Telescope.
An ancient iron pillar from the Qutub Minar in Delhi, showing remarkable preservation over 2000 years.
Statue of Aryabhata, an ancient Indian mathematician and astronomer.
An old page from an Indian astronomy book written in Sanskrit, showing the first verse of a historical Hindu text.
A beautiful 19th-century Hindu calendar from Rajasthan, India, showing artistic illustrations of Hindu deities like Ganesha and Krishna, along with the twelve signs of the Hindu zodiac.
A view of the Jantar Mantar in Jaipur, featuring unique sundial structures and historic buildings like the City Palace and Nahargarh Fort.
An impressive sundial at the Jantar Mantar observatory in New Delhi, India.
An ancient sundial from Ai Khanoum dating back to the 3rd century BCE, displayed at Musee Guimet.
An ancient astronomical instrument used to study the positions of stars and planets.

This article is a child-friendly adaptation of the Wikipedia article on Indian astronomy, available under CC BY-SA 4.0.

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