Scientific Analysis and Theories
- Thomas Pennant in the 18th century believed the material to be "something vomited up by birds or animals".
- Nostoc, a type of fresh water blue-green algae (cyanobacteria) forms spherical colonies made of filaments of cells in a gelatinous sheath. When on the ground, it is ordinarily not seen; but after rainfall it swells up into a conspicuous jellylike mass which is sometimes called star-jelly.
- Scientists commissioned by the National Geographic Society have carried out tests on samples found in the United States, but have failed to find any DNA in the material.
- Slime molds are possible causes, appearing suddenly, exhibiting a very gelatinous appearance at first and later changing to a dust-like form which is dispersed by rain and wind. The colours range from a striking pure white as in Enteridium lycoperdon, to pink as in Lycogala epidendrum, to purple, bright yellow, orange, and brown.
Read more about this topic: Star Jelly
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