The Scientist Who Made the First Telescopic Survey of the Milky

question 6

Multiple Choice

The scientist who made the first telescopic survey of the Milky Way and discovered that it is composed of a huge number of individual stars was

• A) Isaac Newton
• B) Galileo Galilei
• C) Edwin Hubble
• D) Harlow Shapley
• E) Jill Tarter

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Definitions:

Undifferentiated Gonads

An early developmental stage in embryos where the gonads have not yet differentiated into male (testes) or female (ovaries) reproductive organs.

Pituitary

A small, pea-sized gland located at the base of the brain, responsible for the production and release of hormones that regulate various body functions.

Secondary Sex Characteristics

Those physical characteristics that are not directly involved in reproduction but distinguish the mature male from the mature female.

Tertiary Sex Characteristics

Physical changes not directly involved in reproduction but that differentiate sexes, such as facial hair in men or wider hips in women.