Based on Star Counts, 100 Years Ago Most Astronomers Thought

question 98

Multiple Choice

Based on star counts, 100 years ago most astronomers thought:

• A)we lay about 30,000 ly out from the center of the Galaxy.
• B)we lay near the center of a disk about 10 kpc wide and 2 kpc thick.
• C)we lay in a spiral arm of the largest galaxy in the universe.
• D)we lay near the edge of the only galaxy in the universe.
• E)we were not a part of any structure larger than the known solar system.

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Definitions:

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Psychosocial Task

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Erikson

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