Mercury Mercury A table with the aspects (upper conjcuction, superior conjunction, elongations, etc.) of the planet Mercury from 2005 to 2020. At the yellow marked elongations Mercury can be seen from the northern hemisphere at higher latitudes (around 50 degree North) with the naked eye. ...more on Wikipedia about "Aspects of Mercury"
Of all the terrestrial planets in the Solar System, the geology of Mercury is the least understood. Reasons for this include Mercury's proximity to the Sun and the resultant dangers to spacecraft of intense solar radiation and high surface temperatures. Also, Mercury's period of rotation is a slow 58 Earth days, so that when NASA's Mariner 10 space probe flew past Mercury three times during 1974 and 1975, it was only able to observe the side facing the Sun during each pass. It is hoped that NASA's MESSENGER probe, launched in August 2004, will greatly contribute to our understanding when it enters orbit around Mercury in March 2011. ...more on Wikipedia about "Geology of Mercury"
This is a list of geological features on Mercury. There is a separate List of craters on Mercury. ...more on Wikipedia about "List of geological features on Mercury"
Mercury is the closest planet to the Sun, and the second-smallest planet in the Solar System. Mercury ranges from −0.4 to 5.5 in apparent magnitude, and its greatest angular separation from the Sun (greatest elongation) is only 28.3°, meaning it is only seen in twilight. The planet remains comparatively little-known: the only spacecraft to approach Mercury was Mariner 10 from 1974 to 1975, which mapped only 40–45% of the planet's surface. ...more on Wikipedia about "Mercury (planet)"
A popular setting for science fiction writers, there are many examples of the planet Mercury in fiction. Recurring themes include the dangers of being exposed to solar radiation and the possibility of escaping excessive radiation by staying within the planet's slow-moving terminator (the boundary between day and night). Another recurring theme is autocratic governments, perhaps because of an association of Mercury with hot-temperedness. ...more on Wikipedia about "Mercury in fiction"
A Mercury-crosser asteroid is an asteroid whose orbit crosses that of Mercury. The known numbered Mercury-crossers and outer-grazers (marked †) are: ...more on Wikipedia about "Mercury-crosser asteroid"
Santa Maria Rupes is a scarp on the planet Mercury. ...more on Wikipedia about "Santa Maria Rupes"
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A transit of Mercury across the Sun takes place when the planet Mercury comes between the Sun and the Earth, and Mercury is seen as a small black dot moving across the face of the Sun. ...more on Wikipedia about "Transit of Mercury"
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