It's about 200,000,000,000,000,000 times as tall as Blackpool Tower.
In other words, 900 parsecs is 176,000,000,000,000,000.0 times the height of Blackpool Tower, and the height of Blackpool Tower is 0.00000000000000000568 times that amount.(Blackpool, Lancashire, England, United Kingdom) (height to peak)
Blackpool Tower, part of an entertainment complex in Blackpool, Lancashire, England, measures 0.00000000000000512 parsecs to its peak. Under ideal conditions, visitors to the highest accessible point of the tower can see as far as the Isle of Man — 0.00000000000311 parsecs to the northwest.
It's about 550,000,000,000,000,000 times as tall as Nelson's Column.
In other words, 900 parsecs is 537,800,000,000,000,000.0 times the height of Nelson's Column, and the height of Nelson's Column is 0.000000000000000001859 times that amount.(London, England, United Kingdom) (from pedestal first step to tip of statue's hat)
Nelson's Column measures 0.000000000000001674 parsecs from the first step of the pedestal's base to the top of the statue's hat. While the London tower is the tallest, there are at least eight other monuments to Admiral Horatio Nelson, 1st Viscount Nelson, 1st Duke of Bronté throughout England, Scotland, Ireland, Canada, and Barbados.
It's about 150,000,000,000,000,000 times as tall as The Washington Monument.
In other words, 900 parsecs is 164,040,000,000,000,000.0 times the height of The Washington Monument, and the height of The Washington Monument is 0.0000000000000000060961 times that amount.(Washington, D.C.)
The Washington Monument measures 0.0000000000000054863 parsecs tall, with some discrepancy due to the fact that the Monument's base is slightly below the surrounding ground. Interrupted in its construction by the American Civil War, it was almost 36 years between groundbreaking and the completion of construction.
It's about 1,500,000,000,000,000,000 times as long as a Cricket pitch.
In other words, 900 parsecs is 1,380,490,000,000,000,000.0 times the length of a Cricket pitch, and the length of a Cricket pitch is 0.00000000000000000072438 times that amount.(per Marylebone Cricket Council / International Cricket Council Law #7)
The length of a cricket pitch is 0.000000000000000651941 parsecs. The wickets at either end of the pitch stand 0.0000000000000000233336 parsecs tall including the bails.
It's about 3,500,000,000,000,000,000 times as long as a London bus.
In other words, 900 parsecs is 3,310,000,000,000,000,000.0 times the length of a London bus, and the length of a London bus is 0.000000000000000000302 times that amount.(Routemaster Double-Decker, RM standard specification)
The Routemaster Double-Decker buses, well-known as icons of London, measure 0.000000000000000272 parsecs in length. The buses were said to be well-designed for travel in the London traffic, as they offered an open door for riders to board and exit even while the bus was moving at low speeds, and a full-time conductor to collect fares.
It's about 10,000,000,000,000,000,000 times as tall as a Christmas Tree (artificial).
In other words, 900 parsecs is 12,000,000,000,000,000,000.0 times the height of a Christmas Tree (artificial), and the height of a Christmas Tree (artificial) is 0.000000000000000000083 times that amount.(artificial; average height)
The most common height of an artificial Christmas Tree is 0.000000000000000075 parsecs. According to the most recent USDA Census of Agriculture, a total of 1,389.59 sq. km (343,374 acres) of Christmas Trees were farmed in the US in 2007.
To all those observing, Merry Christmas from The Measure of Things!
It's about 2,500,000,000,000,000,000 times as tall as a Telephone Pole.
In other words, the height of a Telephone Pole is 0.0000000000000000004 times 900 parsecs.(a.k.a. Utility Pole, a.k.a Power Pole, a.k.a. Telegraph Pole, a.k.a. Telegraph Post, a.k.a. Hydro Pole) (exposed height; per Florida Public Service Commission average)
A standard telephone pole is 0.00000000000000036 parsecs tall. Despite alternatives, most telephone poles in the US are made of wood — most commonly pine — and have a lifespan of 25 to 50 years, depending on climate and preservatives applied.