The Spectra of Type II Supernova Contain No Hydrogen Lines

question 20

True/False

The spectra of Type II supernova contain no hydrogen lines.

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Definitions:

Industrial Revolution

A period of major industrialization that took place during the late 1700s and early 1800s, radically changing manufacturing processes, society, and the global economy.

Domestic System

A production system prevalent before the Industrial Revolution, where manufacturing was done in homes rather than in centralized factories.