Space MIAD Practice Test 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

In the context of the Drake Equation, what does "active" refer to?

Civilizations that have developed technology to communicate

In the context of the Drake Equation, "active" specifically refers to civilizations that have developed technology to communicate with other civilizations across interstellar distances. This characteristic is crucial as the equation aims to estimate the number of active, communicative extraterrestrial civilizations in our galaxy. The focus is on the ability to send and receive signals or engage in some form of communication, which implies a level of technological advancement necessary for interstellar interaction.

Researching their own planets, evolving, or civilizations that once existed do not directly pertain to the requirement of being "active" in the sense of making contact or sending out signals. The essence of being "active" in this context highlights the ongoing efforts and capabilities to connect with other intelligent beings in the universe, which is foundational to the purpose of the Drake Equation itself.

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Civilizations that are researching their own planets

Civilizations that are constantly evolving

Civilizations that once existed

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