Which two quotations contain information that should be included in a summary of the text?
“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)
“There are more than 20,000 pieces of debris larger than a softball orbiting the Earth. There are
500,000 pieces of debris the size of a marble or larger.” (paragraph 6)
“NASA and the DoD cooperate and share responsibilities for characterizing the satellite (including
orbital debris) environment.” (paragraph 14)
“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)
“These guidelines essentially draw an imaginary box, known as the ‘pizza box’ because of its flat,
rectangular shape, around the space vehicle.” (paragraph 17)
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