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Glossary term: भूकेन्द्रित मॉडल

Description: ब्रह्मांडाची सुरुवातीची मॉडेल्स भूकेंद्रित होती, पृथ्वीला विश्वाच्या मध्यभागी ठेवून चंद्र, सूर्य आणि ग्रह त्याच्याभोवती "निश्चित" तार्‍यांच्या तुलनेत फिरत होते. सूर्याला मध्यभागी ठेवणाऱ्या सूर्यकेंद्री मॉडेल्सच्या बरोबरीने प्राचीन काळातील अनेक संस्कृतींमध्ये भूकेंद्रित मॉडेल्स अस्तित्वात आहेत. एक प्रभावशाली भूकेंद्रित मॉडेल म्हणजे टॉलेमिक प्रणाली, ज्याचे नाव क्लॉडियस टॉलेमी या दुसऱ्या शतकातील खगोलशास्त्रज्ञ यांच्या नावावर आहे. हे युरोप, उत्तर आफ्रिका आणि मध्य पूर्व मध्ये एक हजार वर्षांहून अधिक काळ ब्रह्मांडाचे सर्वात प्रमुख मॉडेल बनले. 16व्या शतकाच्या उत्तरार्धात सूर्यकेंद्री मॉडेलकडे वळण्यास सुरुवात झाली, जी सामान्यतः निकोलस कोपर्निकसच्या नावाशी संबंधित आहे. आज, आपल्याला माहित आहे की सूर्यमाला ही अशा अनेक प्रणालींपैकी एक आहे आणि विश्वाचे केंद्र नक्कीच नाही. व्यवहारात, आकाशाचे भूकेंद्रित वर्णन अजूनही वापरात आहे, परंतु दिलेल्या वेळी दिलेल्या स्थानावरून कोणत्या खगोलीय वस्तू दृश्यमान आहेत आणि कोठे दिसतात याची गणना करण्याचा एक मार्ग म्हणून.

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Views of Earth's Western & Eastern hemispheres. Each surrounded by 8 concentric semicircles for Moon, planets, Sun & stars.

A Geocentric chart from 1568

Caption: This map, created in 1568 by the Portuguese cartographer Bartolomeu Velho, depicts the worldview of the time, when many scholars believed in a geocentric model of the cosmos — the idea that Earth sits at the centre of the Universe with the Sun, Moon, the five planets known at the time, and stars moving around it. Although primarily a navigational chart, the design and layout of this map were influenced by astronomical understanding rooted in geocentric thinking. The geocentric model was widely accepted for many centuries, especially in Europe, based on interpretations of celestial motions and philosophical traditions that placed Earth at the centre. It was only later, with observations by astronomers such as, Galileo Galilei, that this model was replaced by the heliocentric model, which places the Sun at the centre of the Solar System.
Credit: Bartolomeu Velho credit link

License: PD Public Domain icons