Star
Context
A fixed luminous point in the night sky which is a large, remote incandescent body like the sun
Explanation
Stars are astronomical objects consisting of luminous spheroids of plasma held together by gravity. They are the fundamental building blocks of galaxies and essential for the development of life.
Applications
The night sky was filled with twinkling stars.
Astronomers use telescopes to study distant stars and galaxies.
The North Star, Polaris, has been used for navigation for centuries.