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The Whole Earth Catalog
The Whole Earth Catalog compiled tools, books, and ideas for everyday self-sufficiency. Its tone mixed practicality with a belief that how you live is shaped by what you pay attention to. The doorway: look closer, try something. Your awareness changes when your inputs change, the tools you choose, the books you read, the art you…
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Solstices: our Planet highest points
The June solstice occurs right now at 16:38 UTC. The North Pole of the earth will be tilted toward the Sun. This…
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How to find the star Sirius? a sun behind the sun…
Sirius is the brightest star in the Earth’s night sky, it’s actually a star system 8.7 light years distant. It is about…
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History of astronomical instruments
Keeping an eye on the heavens helps to keep track of time and events on the Earth. All the calendars and astronomical…
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Gravitational Field illustrated – Gallery
This drawings illustrates a gravitational field similar to the one generated by the Earth .Is a model used to explain the influence…
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Galactic celestial sphere
This is how we see the entire sky from the earth, projected to a sphere. This concept has been used for thousands…
