Time itself becomes an astronomical variable

Trade, conquest, translation and scholarly mobility created opportunities for ideas to circulate between West and South Asia.

Similar concepts may arise independently, be borrowed selectively or be transformed through local practices.

The publication shows why ancient eclipse observations cannot be matched accurately without accounting for changes in Earth's spin.

Mesopotamian scholars recognized repeating relationships in lunar eclipses and passed this numerical knowledge into later traditions.

Comparing historical reports with Newtonian calculations revealed that the Moon's apparent motion could not be treated as perfectly uniform.

President Thabo Mbeki formally inaugurated SALT at Sutherland.

The new facility strengthened observing capacity in the southern hemisphere.

South Africa led the observatory with partners from several countries.

The inauguration reflected public investment in astronomy and scientific infrastructure.

India launched its first lunar mission on a PSLV rocket from Sriharikota.