What is the explorer mission?

The Explorer mission refers to a series of space missions initiated by NASA to study various aspects of space and celestial bodies. These missions, which began in the 1950s, have included a range of spacecraft designed to explore the Moon, planets, and other phenomena in the solar system. The overall goal is to expand our understanding of space, contribute to scientific knowledge, and inspire future exploration efforts. Each mission has unique objectives and has significantly advanced our understanding of astrophysics and planetary science.