Tag Archives: astronomy

Mongolica: Knowledge preservation and generation, Bolad Aqa and the like

We had earlier written an essay on the preservation and production of synthetic knowledge by the Chingizid Mongols. Here we discuss a few additional points in that regard. It is clear that throughout the Chingizid clan there was a certain … Continue reading

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Astronomical experiments: a preliminary look at globular clusters

While Alexander von Humboldt was exploring South America he observed a fuzzy object in the constellation of Centaurus and thought that it was a new comet. However, it turned out that it was the globular cluster Centauri. It had already … Continue reading

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Make your own sky map

We live in the age of photo-realism, be it for maps of the world or of the sky – it is a realism that not long ago was beyond the reach of even our vision. That is why even though … Continue reading

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A note on Cepheid variables: reproducing the study of the period-luminosity laws

In the 13th year of our life, when the skies of our city were still tolerably dark, we observed two stars Persei (Algol) and Cephei from our balcony which faced north on every night they were visible. Thus, we reproduced … Continue reading

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A note on the asterisms forming the nakṣatra-s

In Hindu tradition the ecliptic is divided into 27 parts of which correspond to 27 asterisms known as the nakṣatra-s. In the earliest extant layers of our tradition this number is 28 implying division into sectors of or insertion of … Continue reading

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Āryabhaṭa and his sine table

Everyone and his son have written about Āryabhaṭa and his sine table. Yet we too do this because sometimes the situation arises where you have to explain things clearly to a layman who might have some education but is unfamiliar … Continue reading

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Some astronomical experiments

Our interest in stellar evolution began sometime in the 8th year of our life after reading an old but very readable account by the famed Russian scientist George Gamow. It captivated us beyond words but we had to wait until … Continue reading

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