How Is It Possible to Observe Dark Nebulae

question 18

Multiple Choice

How is it possible to observe dark nebulae?

• A) They emit radiation only in the infrared.
• B) Their gravity affects the motion of nearby stars.
• C) They block light from more distant stars.
• D) They are sometimes illuminated by nearby bright stars.

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Definitions:

Standard Input

A predefined stream in many programming languages that typically reads input from the keyboard or main input device.

C

This language is built for various computing needs, offering procedural coding techniques, enabling the use of structured programming, variable scope determined lexically, and allowing for recursion.

Standard Input

A predefined stream in programming through which data is received from the user or another input source.

C++

A high-level programming language with object-oriented, imperative, and generic programming features.