Requires a bachelor's degree in engineering and 4-6 years of experience in the field or in a related area. Familiar with a variety of the field's concepts, practices, and procedures. Relies on experience and judgment to plan and accomplish goals. Performs a variety of complicated tasks.
The Ring Nebula (also catalogued as Messier 57, M57 or NGC 6720) is a planetary nebula in the northern constellation of Lyra.
Ring Nebula Facts. 1  The Ring Nebula is a planetary nebula, these type of nebula are created when a small star sheds it mass at the end of its life span.  The core of the dead star remains in the form of white dwarf, it ionizes the surrounding gas producing an impressive light display.