Diameter5 millionths m
117 millionthsGolf ball diameters
3.9 billionthsBridge spans
61.5 septillionthsSirius distances
About 5 micrometers
Photo from Wikimedia Commons
Chloroplast
The solar-powered organelle that feeds the planet/Biology & Ecosystems
Chloroplasts are the organelles in plant cells responsible for photosynthesis, converting light energy, water, and carbon dioxide into glucose and oxygen. A typical chloroplast is disc-shaped, about 5 micrometers in diameter and 2 micrometers thick. Each leaf cell contains 10 to 100 chloroplasts, and they contain their own DNA, a remnant of their origin as independent cyanobacteria engulfed by early eukaryotic cells roughly 1.5 billion years ago.
Measurements
Thickness2 millionths m
2 millionthsMinecraft blocks
66.7 billionthsBlue whale lengths
606 billionthsAfrican elephant heights
Single chloroplast mass50 quadrillionths kg
5 quadrillionthsBicycles
8.3 septillionthsGreat Pyramids of Giza
Per leaf cell50 chloroplasts
2.4 tenthsHuman skeletons
9.3 tenthsAfrican countries
1.56Adult teeth sets
Typical range 10 to 100
Evolutionary age47.3 quadrillion s
2.4 trillionNYC-to-LA flights
8.06Mesozoic eras
About 1.5 billion years