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  2. Opposition (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Opposition_(astronomy)

    The astronomical symbol for opposition is ☍ (U+260D). () Seen from a superior planet, an inferior planet on the opposite side of the Sun is in superior conjunction with the Sun. An inferior conjunction occurs when the two planets align on the same side of the Sun. At inferior conjunction, the superior planet is "in opposition" to the Sun as ...

  3. Solar conjunction - Wikipedia

    en.wikipedia.org/wiki/Solar_conjunction

    Solar conjunction between Earth and Mars. Solar conjunction generally occurs when a planet or other Solar System object is on the opposite side of the Sun from the Earth.From an Earth reference, the Sun will pass between the Earth and the object.

  4. Solar System - Wikipedia

    en.wikipedia.org/wiki/Solar_System

    The principal component of the Solar System is the Sun, a G-type main-sequence star that contains 99.86% of the system's known mass and dominates it gravitationally. [37] The Sun's four largest orbiting bodies, the giant planets, account for 99% of the remaining mass, with Jupiter and Saturn together comprising more than 90%.

  5. Conjunction (astronomy) - Wikipedia

    en.wikipedia.org/wiki/Conjunction_(astronomy)

    A conjunction of the Moon and Mars took place on 24 December 2007, very close to the time of the full Moon and at the time when Mars was at opposition to the Sun. Mars and the full Moon appeared close together in the sky worldwide, with an occultation of Mars occurring for observers in some far northern locations. [13]

  6. Orbit of Mars - Wikipedia

    en.wikipedia.org/wiki/Orbit_of_Mars

    Orbit of Mars relative to the orbits of inner Solar System planets Orbit of Mars and other Inner Solar System planets An animation to explain the (apparent) retrograde motion of Mars, using actual 2020 planet positions Mars seen through a 16-inch amateur telescope, at 2020 opposition. Mars has an orbit with a semimajor axis of 1.524 ...

  7. Retrograde and prograde motion - Wikipedia

    en.wikipedia.org/wiki/Retrograde_and_prograde_motion

    This is the first known example of a counterrotating accretion disk. If this system forms planets, the inner planets will likely orbit in the opposite direction to the outer planets. [33] WASP-17b was the first exoplanet that was discovered to be orbiting its star opposite to the direction the star is rotating. [34]

  8. List of conjunctions (astronomy) - Wikipedia

    en.wikipedia.org/wiki/List_of_conjunctions...

    Mars 35' north of Saturn 42.0° East August 20, 2006 22:40:10 Mercury 31' north of Saturn 11.2° West August 26, 2006 23:09:47 Venus 4' north of Saturn 16.3° West September 15, 2006 20:32:28 Mercury 10' south of Mars 12.1° East October 24, 2006 19:44:11 Venus 43' north of Mars 0.6° West October 25, 2006 21:42:16 Mercury 3°56' south of Jupiter

  9. Astronomy on Mars - Wikipedia

    en.wikipedia.org/wiki/Astronomy_on_Mars

    The normal hue of the sky during the daytime can vary from a pinkish-red to a yellow-brown “butterscotch” color; however, in the vicinity of the setting or rising sun it is blue. This is the exact opposite of the situation on Earth. [3] On Mars, Rayleigh scattering is usually a very small effect.