Bananas for Scale
Dome of the Rock

Photo from Wikimedia Commons

Dome of the Rock

Jerusalem's golden-domed shrine on the Temple Mount/Ancient Structures

The Dome of the Rock is an Islamic shrine located on the Temple Mount (Haram al-Sharif) in the Old City of Jerusalem. Completed in 691 AD by Umayyad Caliph Abd al-Malik ibn Marwan, it is one of the oldest extant works of Islamic architecture. The octagonal structure is topped by a golden dome 20 meters in diameter that shelters the Foundation Stone, sacred in Judaism, Christianity, and Islam. The dome was originally covered in gold but was replaced with anodized aluminum in 1964, then re-covered with 80 kilograms of gold leaf donated by King Hussein of Jordan in 1993.

Measurements

Dome diameter20.4 m
10.1Door heights
43.5 millionBlue light wavelengths
1.02Windmill heights
Dome height from base35.3 m
1.18Blue whale lengths
141Candle heights
28.9Shipping pallets
Outer wall width (each side)20.6 m
5.7 hundredthsCruise ship lengths
4.12Balance beam lengths
389 billionBohr radii
Floor area1,500 m^2
882Human skin surfaces
10 millionHuman thumbnails
300,000Business cards
Age42.1 billion s
351 millionHot Pocket cool-down periods
702 millionMinutes
281 millionPopcorn bags

Completed 691 AD

Gold leaf on dome80 kg
800 millionthsLocomotive weights
72.7 septillionDNA base pairs
11.4Thanksgiving turkeys
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