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All Human Knowledge

Astronomy

<img align="right" width="200px" src="images/NGC4676.jpg" title="NGC-4676 or Mice Galaxies" />

According to ESA, the number of galaxies in the observable universe is 2×10<sup>12</sup> (two trillion) and as many as 1×10<sup>24</sup> stars (more stars than all the grains of sand on planet Earth).

Biology

<img align="right" width="200px" src="images/Ladybird.jpg" title="Ladybird" />

According to Catalogue of Life, there are 2.2 million species on the planet known to taxonomists as of 2019.

Some related inactive projects are All Species Foundation, Tree of Life and The Plant List.

Film and videos

Geography

GLAM

Literature, languages and publications

According to Google there are 129,864,880 books (considering all editions separately).

Music

People

Photography

Social media

Software

Some related inactive projects are Gitorious and Google Code.

Knowledge preservation

Other

<img align="right" width="200px" src="images/Etymologiae.jpg" title="Etymologiae by Isidore of Seville" />

External links

Contributing

For contributing, open an issue and/or a pull request. Thanks.