Multiple Choice
Based on the number of galaxies visible in the Hubble Deep Field (Figure 20.1 in your textbook) ,the estimated number of galaxies in our observable universe is
A) about 50,000.
B) about 100 million.
C) about 100 billion.
D) an infinite number.
Correct Answer:
Verified
Correct Answer:
Verified
Related Questions
Q44: How does the age of the universe
Q45: Given that the universe is about 14
Q46: The larger the value of Hubble's constant,the
Q47: Based on current estimates of the value
Q48: Overall,what is our most accurate technique for
Q50: What is a Cepheid variable?<br>A)It is a
Q51: Dr.X believes that the Hubble constant is
Q52: Hubble's constant is about 22 km/s/million light-years,implying
Q53: Recall that Hubble's law is written v
Q54: Why can't we see past the cosmological