Example Sentences for orbiting. Two ships which had been orbiting the planet also changed course and started out. Now, Herc, on the air, you're orbiting the fourth planet of a sun. The ship swung down into the cloud layer; floating wisps of gray vapor streamed past the orbiting Cavour. High precision electronic eyes placed on orbiting satellites picked up the firing of the rocket and the launch parameters.
1 There is no evidence from this study to suggest that taking nutritional supplements can prevent people who currently do not have vision problems from getting AMD in the future.  The results are restricted to the supplements evaluated (lutein, zeaxanthin, zinc, vitamins C and E, and beta-carotene).
Sunlight and Vitamin D Synthesis What type of sunlight provides the best vitamin D? Exposure to the sunâs ultraviolet (UV) rays is required for vitamin D3 (cholecalciferol) to be produced. Vitamin D3 is synthesized in the skin once your unprotected skin receives exposure to sunlights UV rays. The sun emits three different types of radiation, UVA, UVB and UVC. The ozone layer is good at blocking all of the UVC radiation and most of the UVB, however, none of the UVA radiation.