1) Alt-azimuth mounts move in how many directions? a) one b) five c) two 2) What instrument is designed to collect and magnify visible light? a) reflector telescope b) telescope c) refracting telescope 3) Who is the first astronomer to use the telescope astronomically? a) Zacharias Janssen b) Galileo Galilei c) Plato 4) It is an instrument used to track the apparent motion of the stars? a) Equatorial telescope b) Compound telescope c) Gamma-rays telescope 5) The four large moons of Jupiter is called? a) Galilean Canal b) Galilean Trade c) Galilean Satellites

Telescopes and Observing

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