Mars made its closest approach to Earth and maximum apparent brightness in nearly 60,000 years, 55,758,006 km (0.37271925 AU; 34,646,419 mi), magnitude â2.88, on August 27, 2003 at 9:51:13 UT.
Pertaining to the universe, and having special reference to universal law or order, or to the one grand harmonious system of things; hence; harmonious; orderly. Pertaining to the solar system as a whole, and not to the earth alone. Characteristic of the cosmos or universe; inconceivably great; vast; as, cosmic speed..
The intensity of cosmic microwave The average density of matter within it. Measurement of the sizes of hot spots in the temperature distribution of the cosmic microwave background suggests that the universe is flat. Yet, the combined density of all the matter and energy we see, plus the dark matter we infer, is only about a quarter of the critical density.