What Is the Modern Explanation for "Guest Stars" That Appear

question 62

Multiple Choice

What is the modern explanation for "guest stars" that appear in the night sky and then disappear?

• A) comets passing close to Earth
• B) unusually bright planets produced when they pass closest to earth
• C) alignments of stars that make them suddenly appear bright
• D) stars that go nova or supernova and appear as bright objects during the event and then go away

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Definitions:

CVD

Cardiovascular Disease, a class of diseases that involve the heart or blood vessels, including coronary artery disease, heart failure, and stroke.

Interventions

Measures or actions taken to improve a health issue or to effect a change in a particular situation.

Arteriosclerosis

A condition characterized by the thickening, hardening, and loss of elasticity of the walls of arteries.

Atherosclerosis

A condition characterized by the hardening and narrowing of the arteries due to the build-up of plaque, which can lead to cardiovascular diseases.