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  2. Five-planet Nice model - Wikipedia

    en.wikipedia.org/wiki/Five-planet_Nice_model

    The following is a version of the five-planet Nice model that results in an early instability and reproduces a number of aspects of the current Solar System. Although in the past the giant planet instability has been linked to the Late Heavy Bombardment , a number of recent studies indicate that the giant planet instability occurred early .

  3. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    The largest such scale model, the Sweden Solar System, uses the 110-meter (361-foot) Avicii Arena in Stockholm as its substitute Sun, and, following the scale, Jupiter is a 7.5-meter (25-foot) sphere at Stockholm Arlanda Airport, 40 km (25 mi) away, whereas the farthest current object, Sedna, is a 10 cm (4 in) sphere in Luleå, 912 km (567 mi ...

  4. Argentina - Wikipedia

    en.wikipedia.org/wiki/Argentina

    Argentina, [C] officially the Argentine Republic, [A] [D] is a country in the southern half of South America.It covers an area of 2,780,085 km 2 (1,073,397 sq mi), [B] making it the second-largest country in South America after Brazil, the fourth-largest country in the Americas, and the eighth-largest country in the world.