What Does Periastron Mean?

: the point in the orbit of a star or other celestial body where it is nearest to the primary star with reference to which it is revolving the periastron of a comet — compare apastron.

What is a Apastron?

: the point in the orbit of one star of a binary where it is farthest from the other — compare periastron.

What does Madrad mean?

1 : a large silk or cotton kerchief usually of bright colors that is often worn as a turban. 2a : a fine plain-woven shirting and dress fabric usually of cotton with varied designs (such as plaid) in bright colors or in white. b : a light open usually cotton fabric with a heavy design used for curtains. Madras.