Quantcast

Latest Sanjoy Som Stories

138009480
2012-03-29 11:51:03

Fossilized raindrop impressions have shown scientists evidence of greenhouse gases in Earth´s early atmosphere. This means between 2 and 4 billion years ago, the sun may have burned 30% less brightly than it does now. “Because the sun was so much fainter back then, if the atmosphere was the same as it is today the Earth should have been frozen,” says Sanjoy Som, a postdoctoral researcher at NASA´s Ames Research Center. While the Earth should have been...


Word of the Day
tessitura
  • The prevailing range of a vocal or instrumental part, within which most of the tones lie.
This word is Italian in origin and comes from the Latin 'textura,' web, structure.