The Fibonacci Sequence As Seen in Flowers gallery by Environmental Graffiti is a math and history lesson wrapped in a pretty...
NGC 3372: The Great Carina Nebula
One of our galaxy’s largest star-forming regions.
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[noun]
1. a fluid or viscous substance used for writing or printing.
2 .a dark, protective fluid ejected by the...
“Periodic table” of exoplanets, including confirmed and NASA Kepler candidates, divide most of the known exoplanets into six mass and three temperatures groups (18 categories total).
Source: A New Online Database of Habitable Worlds, Planetary Habitability Laboratory.