Based on the number of galaxies visible in the Hubble Deep Field (Figure 16.1 in your textbook) , the estimated number of galaxies in our observable universe is about .
A) Infinity
B) 100 million
C) 50,000
D) 100 billion
Correct Answer:
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Q25: Which of the following types of galaxies
Q26: Given that white dwarf supernovae are such
Q27: In 1924, Edwin Hubble proved that the
Q28: A standard candle is _ .
A)another name
Q29: Use the graph above showing data for
Q31: Most large galaxies in the universe are
A)spiral
Q32: Suppose that we look at a photograph
Q33: How was Edwin Hubble able to use
Q34: How did Edwin Hubble measure the distance
Q35: I observe a galaxy that is 100
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