The motion of the stars calculated by the Hindus before some 4500 years vary not even a single minute from the tables of Cassine and Meyer (used in t….

It is interesting to transport one's self back to the times when Astronomy began; to observe how discoveries were connected together, how errors have….

That which the sciences can add to the privileges of the human race has never been more marked than at the present moment. ... The air seems to becom….