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How long is 900 parsecs?

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It's about 35,000,000,000,000,000,000 times as long as a Man's Footstep.
In other words, the length of a Man's Footstep is 0.000000000000000000029 times 900 parsecs.
(for healthy, middle-aged man of average height; single step length)
According to studies by The University of Oklahoma's Health Sciences Center, the average length of a man's step is 0.000000000000000026 parsecs, for an average stride (two-step's length) of 0.000000000000000051 parsecs. The average person walks at a speed of about 1.3 m/s
It's about 299,999,999,999,999,974,834,176 times as tall as a sheet of Paper.
In other words, 900 parsecs is 299,999,999,999,999,974,834,176.0 times the height of a sheet of Paper, and the height of a sheet of Paper is 0.000000000000000000000003 times that amount.
(for US Letter, a.k.a. ANSI A; 215.9mm by 279.4mm (8.5 in x 11 in); 20lb)
A single sheet of 20 lb, 8.5 inch x 11 inch paper is just 0.000000000000000000003 parsecs thick. This style of paper weighs a mere 5 g per sheet.
It's about 2,000,000,000,000,000,000 times as tall as The Hollywood Sign.
In other words, 900 parsecs is 1,900,000,000,000,000,000.0 times the height of The Hollywood Sign, and the height of The Hollywood Sign is 0.00000000000000000053 times that amount.
(a.k.a. Hollywoodland Sign) (Mount Lee, Hollywood Hills, Santa Monica Mountains, California)
Each of the white letters in the Hollywood Sign measures 0.00000000000000049 parsecs tall. Built as an advertisement in 1923, the sign was intended to stand for only eighteen months.
It's about 200,000,000,000,000,000 times as tall as The Spring Temple Buddha.
In other words, 900 parsecs is 182,000,000,000,000,000.0 times the height of The Spring Temple Buddha, and the height of The Spring Temple Buddha is 0.00000000000000000549 times that amount.
(a.k.a. 中原大佛, a.k.a. 鲁山大佛, a.k.a. 魯山大佛) (Fodushan Scenic Area, Lushan County, Henan, China) (including base)
The tallest statue in the world, the Spring Temple Buddha in Henan, China stands at 0.00000000000000496 parsecs tall from its base. The Buddha is located in the 47,300,000-sq. m (11,700-acre) Fodushan Scenic Area near Mount Yao
It's about 2,000,000,000,000,000,000 times as long as a Semitrailer.
In other words, 900 parsecs is 1,898,000,000,000,000,000.0 times the length of a Semitrailer, and the length of a Semitrailer is 0.0000000000000000005269 times that amount.
(a.k.a. semi-trailer truck, a.k.a. semi, a.k.a. tractor-trailer, a.k.a. truck and trailer, a.k.a. eighteen-wheeler, a.k.a. big rig, a.k.a. Mack truck, a.k.a. transport, a.k.a. lorry, a.k.a. artic; for box truck; United States Federal length limits)
According to the United States Department of Transportation (DOT), the maximum allowable length of a semitrailer pulled by a road tractor truck is 0.0000000000000004741 parsecs (unless superseded by state law). These regulations also allow the vehicles to tow up to 36,000 kg in gross weight.
It's about 35,000,000,000,000,000 times as tall as Gocta Falls.
In other words, the height of Gocta Falls is 0.0000000000000000278 times 900 parsecs.
(a.k.a. Gocta Cataracts, a.k.a. Catarata del Gocta) (Amazonas, Peru) (total height)
Gocta Falls, a waterfall on the Cocahuayco River, measures 0.000000000000025 parsecs in total height. Although it sits just 0.00000000000136 parsecs from the major city of Chachapoyas, the waterfall was unknown to non-locals until it was documented during a 2005 expedition by a German economist.
It's about 250,000,000,000,000,000 times as tall as St. Paul's Cathedral.
In other words, 900 parsecs is 249,500,000,000,000,000.0 times the height of St. Paul's Cathedral, and the height of St. Paul's Cathedral is 0.000000000000000004008 times that amount.
(London, England, United Kingdom)
St. Paul's Cathedral measures 0.000000000000003607 parsecs to its peak. The southwest tower of the Cathedral contains the bell known as "Great Paul," which is the largest bell in Great Britain at 15,000 kg (16.5 tons), outweighing the more iconic Big Ben bell by about 3,000 kg (3 tons).