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When Galileo pointed his telescope at the milky band of light we see in the night sky he saw that it is

Match the following objects to their descriptions.

What are objects of high redshift that look like stars but are extragalactic and highly luminous?

The figure below shows an example of a __________ drainage network.

Normal faulting is most often associated with mountain building along __________ boundaries, whereas reverse faulting is typically observed at __________ boundaries.

Why do deep-focus earthquakes occur along convergent boundaries? Why are they absent along divergent or transform boundaries?

Categorize the differences between renewable and nonrenewable resource. What are some examples of each?

Compare and contrast debris flows, mudflows, and lahars.

If a fault plane is less than 30° from horizontal and the hanging-wall block moves upward relative to the footwall block, the fault is a __________ fault.

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