Galileo's telescope was a reflector. true false

FALSE, Galileo's telescope used lenses (which refract light) to focus light and it was therefore a 'refractor'.

Reflector telescopes 'reflect' light using shaped mirrors to bring it t a focus.

The truman doctrine was an american foreign policy whose stated purpose was to counter soviet geopolitical expansion during the cold war. it was announced to congress by president harry s. truman on march 12, 1947, and further developed on july 12, 1948, when he pledged to contain threats to greece and turkey