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.
INK
[noun]
1. a fluid or viscous substance used for writing or printing.
2 .a dark, protective fluid ejected by the...
NGC253 “Silver Dollar galaxy” by J-P Metsavainio on Flickr.
IC405and410_Cross (by J-P Metsavainio)