Question

1. apparent shift in position of object when viewed from different locations
2. very large and bright star has a hot core, used up most of its hydrogen
3. group of stars organized into a recognizable pattern
4. distance light travels in a year
5. object so massive that light cant even escape its gravity
6. body composed of gas that emits light
7. very luminous object that produces e at a high rate

Explanation:

1. This is the concept of parallax, which is the apparent shift in an object's position when viewed from different locations.
2. A red - giant star is large, bright, and has used up most of its hydrogen with a hot core.
3. A constellation is a group of stars organized into a recognizable pattern.
4. The distance light travels in a year is called a light - year.
5. A black hole is an object so massive that light can't escape its gravity.
6. A star is a body composed of gas that emits light.
7. A very luminous object that produces energy at a high rate is a star.

Answer:

1. Parallax
2. Red - giant star
3. Constellation
4. Light - year
5. Black hole
6. Star
7. Star