Astronomy Picture of the Day

Astronomy Picture of the Day (APOD) is a website provided by NASA and Michigan Technological University (MTU). According to the website, "Each day a different image or photograph of our universe is featured, along with a brief explanation written by a professional astronomer."

It was created by Robert J. Nemiroff and Jerry Bonnell and launched on June 16, 1995.

Timeline

 * The APOD website became 5 years old.
 * The APOD website became 10 years old.
 * The APOD website became 15 years old.
 * The APOD website became 20 years old.