The universe is roughly ] dark matter, dark energy, and ordinary matter.

The overall shape of the orbits of most of the planets in the Solar System is ____.

In our Galaxy, young metal-rich stars are found

What is the celestial sphere?

What do astronomers mean by a constellation?

The smallest terrestrial planet is _____.

What does Hubble’s Law tell us?

Who elects the President of the United States?

The most common organism of bacterial pneumonia is?

67-year-old female with a 50-pack-year history of smoking presents for a routine annual physical examination. She complains of becoming easily short of breath and of fatigue. Physical examination reveals diminished breath sounds, hyperresonance, and hypertrophied respiratory accessory muscles. Here complete blood count is slightly elevated. Her pulmonary function test (PFT) results show increased total lung capacity. What is the most likely diagnosis?