Halley uses ancient records in early modern astronomy

31 Januari 2003

The author rejects an automatic assumption that every shared feature proves one-way borrowing.

31 Januari 2003

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

31 Januari 2003

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

11 Juli 2005

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

11 Juli 2005

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

11 Juli 2005

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

11 Juli 2005

Long-term tidal interaction between Earth and Moon gradually changes day length and shifts reconstructed eclipse paths.

10 November 2005

President Thabo Mbeki formally inaugurated SALT at Sutherland.

10 November 2005

The new facility strengthened observing capacity in the southern hemisphere.

10 November 2005

South Africa led the observatory with partners from several countries.

10 November 2005

The inauguration reflected public investment in astronomy and scientific infrastructure.

Personen in deze gebeurtenis