How Big Is Nostoc Colony? 5 mm (0.2 in) Compared

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Nostoc Colony (5 mm) drawn to scale beside a raindrop (2 mm) and a grain of rice (7 mm) — Drawn to scale, from left to right: Raindrop (2 mm), Nostoc Colony (5 mm) and Grain of rice (7 mm).

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How big is that, really?

As wide as about 3 raindrops side by side
About 71% of the length of a grain of rice
About 4 would fit across a large coin
As wide as about 10 grains of sand side by side
About 43× as wide as a human egg cell

Learn

Facts about Nostoc Colony

Nostoc colonies form jelly-like blobs sometimes called 'star jelly,' historically thought to have fallen from meteors.

Source: Algae Base; Microbiology textbooks

Micro World

Name	Size	Compared with Nostoc Colony
Human Adipocyte	100 µm	0.02×
Euplotes	100 µm	0.02×
Human Cardiomyocyte	100 µm	0.02×
Human Smooth Muscle Cell	100 µm	0.02×
Didinium	150 µm	0.03×
Coscinodiscus Diatom	150 µm	0.03×
Human Purkinje Cell	250 µm	0.05×
Blepharisma japonicum	300 µm	0.06×
Chaos carolinense	1 mm	0.2×
Nostoc Colony	5 mm (0.2 in)	this page

Test your sense of scale

Which is bigger: Nostoc Colony or Chaos carolinense?

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