The quasar group appears to violate a widely accepted assumption known as the cosmological principle, which holds that the universe is essentially homogeneous when viewed at a sufficiently large scale. Calculations suggest that structures larger than about 1.2 billion light-years should not exist, researchers said.
Human respiration rate is measured when a person is at rest and involves counting the number of breaths for one minute by counting how many times the chest rises. An optical breath rate sensor can be used for monitoring patients during a magnetic resonance imaging scan.
Measuring respirations. The respiratory rate is the number of breaths that a patient takes each minute. The rate should be taken when the patient is at rest, and it is assessed by counting the number of times the chest rises in one minute. Common factors that influence respiration rate are as follows:easuring respirations. The respiratory rate is the number of breaths that a patient takes each minute. The rate should be taken when the patient is at rest, and it is assessed by counting the number of times the chest rises in one minute. Common factors that influence respiration rate are as follows: