The ISS circles the Earth every 90 minutes. It travels at about 17,500 miles (28,000 km) per hour, which gives the crew 16 sunrises and sunsets every day. In the more than 15 years that people have been living onboard, the Station has circumnavigated the Earth tens of thousands of times.
Generally, these beautiful paints are called metallic when they imitate metals like gold, silver, etc., and they are often called Pearlescent or Pearl, when they are other colors like white, blue, red, etc.
Black: Symbol of Dignity. Judging Pearl Quality Luster Luster is the quantity and quality of light reflected from the surface of a pearl. Luster does not simply mean a shiny surface: it implies the structural beauty of the nacre. High luster pearls also have a deep-seated glow. The luster of a good quality pearl should be bright and not dull. You should be able to see your own reflection clearly on the surface of a very high luster pearl.