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  2. Astronomy on Mars - Wikipedia

    en.wikipedia.org/wiki/Astronomy_on_Mars

    The maximum angular separation of the Earth and Moon varies considerably according to the relative distance between the Earth and Mars: it is about 25′ when Earth is closest to Mars (near inferior conjunction) but only about 3.5′ when the Earth is farthest from Mars (near superior conjunction). For comparison, the apparent diameter of the ...

  3. Apparent retrograde motion - Wikipedia

    en.wikipedia.org/wiki/Apparent_retrograde_motion

    Apparent retrograde motion of Mars in 2003 as seen from Earth The term retrograde is from the Latin word retrogradus – "backward-step", the affix retro- meaning "backwards" and gradus "step". Retrograde is most commonly an adjective used to describe the path of a planet as it travels through the night sky, with respect to the zodiac , stars ...

  4. Timeline of first images of Earth from space - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_first_images...

    Mars Global Surveyor: First image of Earth and the Moon from Mars (in orbit); notice South America is visible. [33] [6] March 11, 2004 Spirit Mars Exploration rover: First image taken of Earth from the surface of Mars and any celestial body other than the Moon. July 27, 2006 Cassini-Huygens: The Pale Blue Orb is the first image of Earth from ...

  5. Look up! Mars expected to light up night sky

    www.aol.com/article/2014/04/08/look-up-mars...

    That's actually the planet Mars. Here's HLN: 'The planet is expected to line up with Earth and. If you catch yourself looking up at the night sky this evening, you might notice what looks like a ...

  6. History of Mars observation - Wikipedia

    en.wikipedia.org/wiki/History_of_Mars_observation

    During the oppositions of 1651, 1653 and 1655, when the planet made its closest approaches to the Earth, the Italian astronomer Giovanni Battista Riccioli and his student Francesco Maria Grimaldi noted patches of differing reflectivity on Mars. [27] The first person to draw a map of Mars that displayed terrain features was the Dutch astronomer ...

  7. Historical models of the Solar System - Wikipedia

    en.wikipedia.org/wiki/Historical_models_of_the...

    The upper illustration depicts Earth at night while the lower one depicts Earth in the day. [ 23 ] Around 400 BCE, Pythagoras' students believed the motion of planets is caused by an out-of-sight "fire" at the centre of the universe (not the Sun) that powers them, and Sun and Earth orbit that Central Fire at different distances.

  8. Extraterrestrial sky - Wikipedia

    en.wikipedia.org/wiki/Extraterrestrial_sky

    Earth and Moon, imaged by Mars Global Surveyor from its orbit around Mars on May 8, 2003, 13:00 UTC. South America is visible. [25] [26] 2014 Curiosity 's first view of the Earth and the Moon from the surface of Mars (January 31, 2014). [27] 2016 Earth and the Moon as viewed from orbit around Mars (MRO; HiRISE; November 20, 2016) [28]

  9. Transit of Earth from Mars - Wikipedia

    en.wikipedia.org/wiki/Transit_of_Earth_from_Mars

    Earth and Moon transiting the Sun in 2084, as seen from Mars. Image created using SpaceEngine Earth and Moon from Mars, as photographed by the Mars Global Surveyor. A transit of Earth across the Sun as seen from Mars takes place when the planet Earth passes directly between the Sun and Mars, obscuring a small part of the Sun's disc for an observer on Mars.