Byron Arango H.

@barangoh

Chem. Eng. Amateur Astronomer, member of ACDA. Compilation of news and comments about Astronomy, Astronautics, Science and Technolgy.

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Galaxies, Stars, and Dust http://apod.nasa.gov/apod/ap121013.html

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648 days ago

Galaxies, Stars, and Dust http://apod.nasa.gov/apod/ap121013.html

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