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It is classified as a terrestrial planet and is the second smallest of the Solar System's planets with a diameter of 6,779 km (4,212 mi). In terms of orbital motion, a Martian solar day ( sol ) is equal to 24.5 hours, and a Martian solar year is equal to 1.88 Earth years (687 Earth days).
According to a study in France, executives and professionals are 2.6 centimetres (1.0 in) taller, and university students are 2.55 centimetres (1.0 in) taller than the national average. [7] As this case shows, data taken from a particular social group may not represent a total population in some countries.
Relative masses of the Solar planets. Jupiter at 71% of the total and Saturn at 21% dominate the system. Relative masses of the solid bodies of the Solar System. Earth at 48% and Venus at 39% dominate. Bodies less massive than Pluto are not visible at this scale. Relative masses of the rounded moons of the Solar System.
The home and colonial areas of the world's empires in 1908, as given by The Harmsworth Atlas and Gazetteer. Empire size in this list is defined as the dry land area it controlled at the time, which may differ considerably from the area it claimed.
This is a list of the tallest people, verified by Guinness World Records or other reliable sources. According to the Guinness World Records, the tallest human in recorded history was Robert Wadlow of the United States (1918–1940), who was 272 cm (8 ft 11 in). He received media attention in 1939 when he was measured to be the tallest man in ...
The 828-metre (2,717 ft) tall Burj Khalifa in Dubai has been the tallest building since 2010. [1] The Burj Khalifa has been classified as megatall. [2] A diagram showing the tallest buildings as of 2024. This is a list of the tallest buildings. Tall buildings, such as skyscrapers, are intended here as enclosed structures with continuously ...
Cephalopods, which include squids and octopuses, vary enormously in size. The smallest are only about 1 centimetre (0.39 in) long and weigh less than 1 gram (0.035 oz) at maturity, while the giant squid can exceed 10 metres (33 ft) in length and the colossal squid weighs close to half a tonne (1,100 lb), making them the largest living ...
Toronto. Tallest freestanding structure in the world 1975–2007, and the world's tallest tower until 2009; tallest in the western hemisphere. 4. Ostankino Tower. 540.1 m (1,772 ft) 1967. Russia. Moscow. Tallest freestanding structure in the world, 1967–75; tallest in Europe.