Around 1590, Dutch spectacle maker Zacharias Janssen is credited with inventing which instrument?

Abraham Ortelius's "Theatrum Orbis Terrarum" of 1570 is considered the first modern what? The 1998 film "Dangerous Beauty" tells the story of Veronica Franco, a 16th-century poet and courtesan in which Italian… In 1588, which monarch declared, "I know I have the body of a weak and feeble woman, but I have the heart and stomach o… Which Danish astronomer, who worked at his island observatory Uraniborg, made key discoveries about the Moon's motion i… Complete the title of Christopher Marlowe's poem published in 1598: "___ and Leander". Which 15th-century German cardinal and philosopher wrote "On Learned Ignorance"? Which Elizabethan poet and courtier wrote the sonnet sequence "Astrophel and Stella"? In HIV, what does the "I" stand for?