A post-apartheid science project reaches a milestone

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

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

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.

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

The mission set out to map the Moon’s surface and composition from orbit.

Chandrayaan-1 launched with Indian instruments and contributions from other space agencies.

The successful launch marked a new stage in India’s exploration beyond Earth orbit.

The study organizes historical terminology, coordinate systems, calendars, stars and planetary procedures for modern readers.