Requires a bachelor's degree in engineering and 2-5 years of experience in the field or in a related area. Familiar with standard concepts, practices, and procedures within a particular field. Relies on experience and judgment to plan and accomplish goals. Performs a variety of tasks.
The Ring Nebula is about 2,000 light-years from Earth and measures roughly 1 light-year across. Located in the constellation Lyra, the nebula is a popular target for amateur astronomers. Previous observations by several telescopes had detected the gaseous material in the ring's central region. But the new view by Hubble's sharp-eyed Wide Field Camera 3 shows the nebula's structure in more detail.
The Orion Nebula is. a. a distant galaxy of stars and raw material. b. a small disk of gas and dust surrounding a single star that was recently formed. c. a cloud of gas and dust illuminated by the light of newly formed stars within it. d. the remnant of a star that exploded several thousand years ago. e. an illusion caused by activity in the Earth's upper atmosphere. ____ 3.