The two quotations that contain information that should be included in a summary of the text are:
- "More than 500,000 pieces of debris, are tracked as they orbit the Earth. They all travel at speeds up to 17,500 mph fast enough for a relatively small piece of orbital debris to damage a satellite or a spacecraft" (paragraph 1)
- "NASA has a set of long-standing guidelines that are used to assess whether the threat of such a close pass is sufficient to warrant evasive action or other precautions to ensure the safety of the crew." (paragraph 16)
Two vital points that are made in this text, "Space Debris and Human Aircraft" are that there exists debris in outer space that is capable of causing damage to the aircraft used to travel to space.
Paragraph 1 captures that point because it mentions the number of debris and the speed at which they travel. Paragraph 16 contains another vital point that can be contained in a summary.
The point is that NASA has guidelines to ensure that these pieces of debris do not cause damage. So, paragraphs 1 and 16 can be included in a summary of the text.
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