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Credit & Copyright: Charis Tsevis;
Composition: R. J. Nemiroff
Explanation:
You are a spaceship soaring through the universe.
So is your
dog.
We all carry with us trillions of
microorganisms as we go
through life.
These multitudes of
bacteria,
fungi, and
archaea have
different
DNA than you.
Collectively called your microbiome, your
shipmates outnumber your own cells.
Your crew members form
communities,
help
digest food, engage in
battles
against intruders, and sometimes commute on a
liquid
superhighway from one end of
your
body to the other.
Much of what your
microbiome does, however,
remains unknown.
You are the
captain, but being nice to
your crew
may allow you to explore more of your
local cosmos.
Perseid Meteors 2016:
Album
1 &
Album
2
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day