[The Past and present of La Salle County, Illinois : containing a history of the county, its cities, towns, &c., a biographical directory of its citizens, war record of its volunteers in the late rebellion, portraits of early settlers and prominent men, general and local statistics, map of La Salle County, history of Illinois, Constitution of the United States, miscellaneous matters, etc, etc..
The great auk was 75 to 85 centimetres (30 to 33 in) tall and weighed around 5 kilograms (11 lb) The size of a medium penguin, it lived in the open ocean except for when it waddled ashore for breeding on just a few islands.
1 AU = 149,597,870.700 kilometers (or 149,597,870,700 meters). Definition: An Astronomical Unit is the mean distance between the Earth and the Sun. In 2012, the International Astronomical Union defined the distance to be 149,597,870,700 meters. Historical Background: Tycho Brahe estimated the distance between the Sun and the Earth at 8 million kilometers (5 million miles). Later, Johannes Kepler estimated the AU was at 24 million kilometers (15 million miles).