Birth of the Solar System - Allende MeteoriteThe Allende meteorite landed on our planet in 1969, but its origin goes all the way back to the birth of the Sun. Encased in resin with a glimmering shine, this specimen is a piece of the building blocks of our solar system. 4. 6 billion years ago, the solar system was a cloud of gas, dust, and heat. Over time, this material accumulated into asteroids, planets, and our star. Geologic processes melted and reformed much of the original material of our