Earth's seasons, equinoxes & solstices Season to Season: Earth's Equinoxes & Solstices that awesome graphic that was here on March is now in Astronomy, & Science & Nature > Earth Science and > Weather.
This magnificent image is a portrait of the Earth taken in one single shot. At 121 megapixels, it is the highest resolution image of the planet ever and was taken by the geostationary Russian weather satellite the Electro-L.
Earth, is the third planet from left. Pictures like these always get me. It's crazy because of the stars that exists that are so much bigger than our Sun, that in comparison is like if it was the size of the Earth!
Human Body Ingredients via imaginaryfoundation: 'The average human has approximately 100 trillion cells and each cell is made of approximately 100 trillion atoms, each of which were originally created in the center of a star.' Here it is by mass: http:/
No historical record exists that tracks the migratory patterns of the earliest humans. Scientists piece together the story of human migration Map of early human migrations according to mitochondrial population genetics