Resultado da Busca
Há 2 horas · Last year’s record temperatures were so unusual that scientists have been debating what’s behind the big jump and whether climate change is accelerating or if other factors are in play. “If you look at this world accelerating or going through a big tipping point, things aren’t doing that,” study lead author Piers Forster, a Leeds University climate scientist, said.
Há 1 dia · The observable universe contains as many as an estimated 2 trillion galaxies and, overall, as many as an estimated 10 24 stars – more stars (and earth-like planets) than all the grains of beach sand on planet Earth; but less than the total number of atoms estimated in the universe as 10 82; and the estimated total number of stars in an inflationary universe (observed and unobserved), as 10 100.
Há 1 dia · The idea that the year 2012 presaged a world cataclysm, the end of the world, or the end of human civilization, became a subject of popular media speculation as the date of 21 December 2012 approached. This idea was promulgated by many pages on the Internet, particularly on YouTube. [108]
