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Earlier 1:43 scale cars were much more realistic. Mercury was a Marklin importer in the 1930s and this connection was continued or renewed through the 1970s when both lines could be found in some catalogues. [17] While the motorcycles were also later offered by Dalia and Guiloy, some Mercury models were also used by Pilen and Joal. [1]
Mercury is one of four terrestrial planets in the Solar System, which means it is a rocky body like Earth. It is the smallest planet in the Solar System, with an equatorial radius of 2,439.7 kilometres (1,516.0 mi). [4] Mercury is also smaller—albeit more massive—than the largest natural satellites in the Solar System, Ganymede and Titan.
Mercury would also be easy to spot, because it is closer and brighter, at up to magnitude −2.7, [5] and because its maximum elongation from the Sun is considerably larger (40.5°) than when observed from Earth (28.3°). 42 Draconis is the closest star to the north pole of Venus. Eta¹ Doradus is the closest to its south pole.
A map of Mercury [1] made in the 1910s by astronomer Eugène Michel Antoniadi shows the following albedo features, localized by a grid in which 0° longitude is the (assumed) subsolar meridian. No certain connection has been made between these features and the topographic features viewed on Mercury by the Mariner 10 spacecraft. Mariner 10 ...
Due to the proximity of Mercury to the Sun, Mercury on average receives an energy flux from the Sun that is about 7 times the solar constant, but may reach nearly 11 times at maximum and about 4.5 times at minimum. The Sun will have an angular diameter of 1.733 to 1.142°.
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It then passed close to Mercury on March 29, 1974, as it flew towards the Sun. This was the first observation made of Mercury at close range. After the encounter Mariner 10 was in an orbit around the Sun such that for every one of its orbits Mercury made two, and the spacecraft and the planet would be able to meet again. This allowed the probe ...
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