The Cygnus Loop Nebula Is Characterized by Having an Arched

question 38

Multiple Choice

The Cygnus Loop nebula is characterized by having an arched appearance.The Cygnus Loop is a:

• A) dark nebula.
• B) reflection nebula.
• C) supernova remnant.
• D) giant molecular cloud.

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Definitions:

Coal

A combustible black or brownish-black sedimentary rock formed from ancient plant matter, used primarily for electricity generation and steel production.

Oil Shale

Sedimentary rock that contains significant amounts of organic material in the form of kerogen, which can be converted into crude oil through heating.

Energy Resource

Any material or phenomenon that can be used directly or converted into other forms of energy to perform work.

Oil And Gas

Natural hydrocarbon resources found beneath the Earth's surface, often used as fuel and in various industrial processes.