Why astronauts carry stuffed toys into space: Baby Yoda, Snoopy and other mascots used as floating zero-gravity indicators |

Stuffed animals traveling into space may sound unusual, but they’ve been quietly a part of human spaceflight for decades. Missions run by organizations like NASA and companies like SpaceX often place small, soft mascots inside spacecraft bays. These objects are called zero-gravity indicators. Once spacecraft leave Earth’s gravity and enter microgravity, they begin to float. This simple action provides astronauts with instant visual cues about changes in the environment.This tradition dates back to early space missions, including Vostok 1. Over time, the tradition has continued with lunar programs like Artemis 2 and modern commercial flights. What began as a practical idea has grown to become a familiar and consistent element in generations of space exploration.

Plush mascots used on space missions

Rise: Artemis II Mascot

Rise (plush toy) is the white stuffed mascot chosen for the Artemis 2 mission. It was designed by a young creator and features earth, galaxy and rocket themed details on the cap. The mascot is placed in the spacecraft cabin with the crew.It serves a functional purpose during flight. When the spacecraft escapes Earth’s gravitational influence, Rise begins to float freely inside the capsule. This movement provides astronauts with clear, immediate visual confirmation of microgravity conditions. The object is lightweight and easy to observe, which makes it suitable for this purpose. The use of Rise continues a long-standing practice of including a visible indicator to mark transitions in the spaceflight environment, maintaining consistency with earlier missions.

Baby Yoda: commercial manned flight

According to Space.com, Baby Yoda is on a SpaceX mission to the International Space Station. This stuffed toy is popular due to its widespread recognition and unique image. It is placed in the cabin before liftoff. During the journey, Baby Yoda was used as an indicator of microgravity conditions. Once the spacecraft enters microgravity, the toys begin to float and notify the crew of the situation. This marks the successful entry of the spacecraft into orbit.This choice of mascot is quite practical because the toys are easy to identify, and it is also suitable for informal practice, bringing some plush toys to demonstrate the gravity shift.

Snoopy: Longtime NASA Symbol

Snoopy has been closely associated with NASA since the late 1960s. Snoopy participated in flights related to lunar exploration missions, such as Apollo 10. Eventually, Snoopy has grown to become part of NASA’s space flight promotions. Snoopy, in his plush form, serves as a zero-g indicator in many missions. Once the spacecraft enters microgravity, the mascot floats inside the cabin. Snoopy’s constant appearance in various programs shows that he has always maintained a consistent style.

Shaun the Sheep: Artemis One Mission

According to the BBC, Shaun the Sheep participated in the Artemis 1 unmanned mission aboard the Orion spacecraft. The mascot was placed in the capsule before launch and remained in the capsule throughout the mission’s orbit around the moon and back.Prior to the mission, the plush characters went through various training and familiarization events in Europe and the United States. These steps are part of mission preparation and public engagement efforts. After the spacecraft reaches space, Sean floats in the cabin and acts as a zero-gravity indicator. Its motion provides a simple visual reference for the spacecraft’s transition to microgravity.

Dinosaur Tremors: SpaceX Demonstration Mission

According to Space.com, the dinosaur Tremor was carried on board the SpaceX Crew Dragon spacecraft demonstration mission. The plush dinosaur features a sequined design that makes it visually distinctive inside the spacecraft cabin. During the mission, the tremor served as a zero-gravity indicator. When the spacecraft reaches microgravity, the toys begin to float freely, confirming the change in gravity conditions to the crew. Thanks to its reflective surface and bright appearance, its movement is easy to observe.The use of tremors follows the same pattern as other tasks involving plush indicators. Choose a small, light object, place it inside the capsule, and allow it to float once in space.

What’s the point of carrying stuffed toys into space?

Stuffed animals may be considered interesting objects, but their presence on spacecraft is no accident. Such objects used by companies like NASA and SpaceX act as zero-gravity probes. When the spacecraft escapes Earth’s gravitational field, the toy will begin to float, acting as a visual indicator that zero gravity has been reached.The movement of such toys can help astronauts confirm that zero gravity has occurred without relying too much on technical means. In fact, these toys are commonly used because they communicate the message they are intended to convey very clearly.