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THE SPEED OF LIGHT (continued)
TYPICAL LIGHT-TIMES (continued)
Sun to the center of the Milky Way galaxy . . . 28,000 light years
Sun to nearest object outside our galaxy (Cloud
of Magellan . . . . . . . . . . . . . . . . . . . . . . . 149,000 light years
Sun to the galaxy, Andromeda . . . . . . . . . 2.5 Million light years
Sun to the most distant galaxies. . .more than 2 billion light years
Footnotes:
/1 "Light and related electromagnetic radiations", pub by the International Organization for Standardizations (ISO) Geneva, Switzerland; ISO 31-6 1992.
/2 Biographical dictionary of scientists; Astronomers. Peter Bedrick Books, 1984, page 134.
/3 McGraw Hill Encyclopedia of Science; Light, page 56.
/4 Television, weather, and similar satellites orbit the Earth at the synchronous orbit altitude of about 35,800 km above the surface.
At his altitude, satellites revolve around Earth in 24 hours, while Earth rotates once. This results in the satellite remaining above the same place on Earth. See NASA Special Publication # 175, "Space Mathematics", Wash, DC, 1985, page 138.
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