Resultado de búsqueda
Hace 14 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 14 horas · Ronald Reagan and Donald Trump at the White House in 1987, while the former was serving his second term as president "Let's make America great again" was famously used in Ronald Reagan's 1980 presidential campaign. At the time the United States was suffering from a worsening economy at home marked by stagflation.Using the country's economic distress as a springboard for his campaign, Reagan ...
