Sociedad, ciencia y cultura
Here comes the Sun
“Four and a half billion years ago, as the Earth was formed, the luminosity of the young sun was about thirty percent less than it is today. In that time, the sun has consumed just Leer más…
“Four and a half billion years ago, as the Earth was formed, the luminosity of the young sun was about thirty percent less than it is today. In that time, the sun has consumed just Leer más…