Somewhere, something incredible is waiting to be known


- Carl Sagan

Cosmos Zoom

Browse most amazing images of Nebulae, Exoplanets, Galaxies in highest resolution

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Timeline Adventure in Space

Interactively learn about planets, astronomers, satellites and spacecrafts

Cosmos 2048

Play famous 2048 game and learn about planets distances from the Sun

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Cosmos Puzzle

Fascinating facts and questions about the Universe. Complete the puzzle to reveal the answer and learn more

Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people


- Carl Sagan