Islamic civilization made important contributions to science, learning, and philosophy. This astrolabe advanced the Greek invention.
Omar Kayyam—known for his poetry—was also a mathematician, philosopher, and astronomer.
It took Shah Jahan's workers and craftsman more than 20 years to build the Taj Mahal.
A mosque is a Muslim house of worship.
A bazaar is a marketplace.
An astrolabe is a tool that helps sailors navigate by the positions of the stars.
To confirm is to prove that something is true; to remove doubt.
A minaret is the tower of a mosque from which Muslims are called to a prayer.
To publish is to produce the work an author, usually in print.