Afterglow refers to the soft light or glow that remains after the main source of light has disappeared. It often creates a warm and serene atmosphere, especially during sunset or after watching a beautiful fireworks display. Full definition
If astronomers act quickly, they can turn other instruments toward the point of origin and record a rapidly fading afterglow of x-rays, visible light and radio waves. (scientificamerican.com)
The vibrant tones of yellow, red, and green in Afterglow resemble many of Hans Hofmann's early paintings of the landscape around Provincetown, Massachusetts. (americanart.si.edu)
Scientists staring at the faint afterglow from the universe's birth 13.8 billion years ago have discovered the first direct evidence for the theory of cosmic inflation — the mysterious and violent expansion after the big bang. (latimes.com)