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The light from the most recent supernova that was visible to the unaided eye arrived at Earth in
United States
A country in North America composed of 50 states, a federal district, five major self-governing territories, and various possessions, known for its significant influence on global politics, economy, and culture.
Social Issues
Problems affecting many individuals within a society, often related to matters like inequality, crime, and poverty.
Euthanasia
The act of intentionally ending a life to relieve pain and suffering, often referred to as "mercy killing."
Opponent
An individual or group that competes against or opposes another in a contest, dispute, or competition.
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