No, radiation levels on the Moon are generally lower than on Earth. The Earth is protected from high levels of radiation by its atmosphere and magnetic field. The atmosphere helps to absorb and scatter much of the incoming radiation from the Sun and cosmic rays, while the magnetic field deflects charged particles. However, the Moon has no atmosphere or magnetic field to provide such protection.
On the Moon's surface, astronauts and any equipment or structures are exposed to a combination of solar radiation, cosmic rays, and particles from the solar wind. Solar radiation consists mainly of high-energy photons from the Sun, while cosmic rays are highly energetic particles originating from sources outside the Solar System. These sources include supernovae, black holes, and other cosmic events.
Although the absence of an atmosphere and magnetic field exposes the Moon's surface to these radiation sources, the total radiation dose received on the Moon is generally lower compared to Earth's surface. This is because Earth's atmosphere not only absorbs and scatters a significant portion of incoming radiation but also creates secondary particles that contribute to the overall dose. Additionally, the Earth's magnetic field deflects charged particles away from the surface, further reducing the radiation exposure.
However, it's important to note that during solar storms or events like coronal mass ejections, the radiation levels on the Moon can temporarily increase due to an influx of energetic particles from the Sun.