Yes, the International Space Station (ISS) is equipped with radiation shielding to protect the astronauts on board from the harmful effects of space radiation. The shielding is designed to minimize the exposure to ionizing radiation, which is prevalent in space due to the absence of Earth's protective atmosphere and magnetic field.
The ISS's radiation shielding consists of multiple layers of different materials that work together to reduce radiation exposure. These materials include metals, such as aluminum and stainless steel, as well as hydrogen-rich polymers like polyethylene. These materials are effective at absorbing or deflecting radiation particles and reducing their impact on the astronauts.
While the shielding helps to mitigate radiation risks, it does not completely eliminate radiation exposure. The shielding is optimized to provide adequate protection during the majority of the astronauts' time on the ISS, but they still receive some radiation dose from galactic cosmic rays, solar particle events, and other sources of radiation. Astronauts are monitored closely for radiation exposure, and mission durations and scheduling are managed to keep radiation exposure within acceptable limits.
Additionally, astronauts on the ISS have designated "safe zones" where radiation levels are lower, such as the central part of the station where most of the living quarters and vital systems are located. These areas offer an additional layer of protection.
Overall, while the ISS does have radiation shielding to protect astronauts from space radiation, it is impossible to completely eliminate radiation exposure in the space environment. Efforts are made to minimize exposure and monitor radiation levels to ensure astronaut safety.