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Hace 12 horas · History Early history. The hypothesis of dark matter has an elaborate history. In the appendices of the book Baltimore lectures on molecular dynamics and the wave theory of light where the main text was based on a series of lectures given in 1884, Lord Kelvin discussed the potential number of stars around the Sun from the observed velocity dispersion of the stars near the Sun, assuming that ...
Hace 7 horas · Author Comments. This is a message for the ones who like to play bob the builder by making a hole in their walls with a drill. Even that in this animated short the characters don't say a single word, I will upload this in YouTube anyways so everyone can watch it ;)
Hace 12 horas · The Mount Rushmore National Memorial is a national memorial centered on a colossal sculpture carved into the granite face of Mount Rushmore (Lakota: Tȟuŋkášila Šákpe, or Six Grandfathers) in the Black Hills near Keystone, South Dakota, United States.Sculptor Gutzon Borglum designed the sculpture, called Shrine of Democracy, and oversaw the project's execution from 1927 to 1941 with the ...
