The model of the structure of the solar systems suggests that the earth of the universe?

Heliocentric

Explanation:

"the heliocentric model by Nicolas Copernicus in the 16th century, the sun was believed to be the center of the Universe, with the planets (including Earth) and stars orbiting it.'

barack obama

44th president of the united states

populist movement, in u.s. history, politically oriented coalition of agrarian reformers in the middle west and south that advocated a wide range of economic and political legislation in the late 19th century. thus in 1892 their leaders organized the populist, or people's, party, and the farmers' alliances melted away.