1) Sponge skeleton parts 
Supersonic jet about 300 miles(500 km) in diameter found in the chromosphere of the Sun.
Tiny, spine like structures.
Grass-like patterns of gas seen in the atmosphere of the Sun.
The grass-like patterns of gas seen in the solar atmosphere.
spicules Small needlelike structures or parts; such as, the silicates or calcium carbonate processes supporting the soft tissue of certain invertebrates; especially, sponges.
Small, hard bodies of silica or calcium carbonate that serve as the skeletal elements in sponges.
Needle-shaped skeletal elements in sponges that occur in the matrix between the epidermal and collar cells.
Jets up to 16,000 kilometers in diameter in the Sun's atmosphere.