Message artifacts

robotic spacecraft on a space exploration mission on Mars under the Mars Scout Program

two phonograph records included on both Voyager spaceprobes launched in August and September 1977

plaque attached to the Pioneer 10 and Pioneer 11 spacecraft in case extraterrestrial life finds them

NASA space mission en route to Jupiter and Europa

sculpture of an astronaut on the moon

sports car launched into space in 2018

statements from leaders of countries on a small disc made of silicon that was left on the Moon by the Apollo 11 astronauts.

commemorative plaques attached to the United States Apollo Lunar Modules

right|thumb|An image of MarsDial thumb|MarsDial on Spirit rover|Spirit rover on Mars The MarsDial is a sundial that was devised for missions to Mars. It is used to calibrate the Pancam cameras of the Mars landers. MarsDials were placed on the Spirit and Opportunity Mars rovers, inscribed with the words "Two worlds, One sun" and the word "Mars" in 22 languages. The MarsDial can function as a gnomon, the stick or other vertical part of a sundial. The length and direction of the shadow cast by the stick allows observers to calculate the time of day. The sundial can also be used to tell which way