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How long does it take Mars to orbit the sun ? How many moons does Mars have?

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iadame
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SOURCE: sun/moon roof switches

The switches are removable without taking out the headliner. If they have never been taken down then it might be a little difficult but the switches shouls snap right out.

Posted on Nov 18, 2009

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How many moons have neptune and urans have


MOONS OF NEPTUNE

Neptune has 13 known moons, though most are small and orbit closer to Neptune than its rings. Triton is Neptune's only large moon with a diameter of 2,704 km, and Proteus and Nereid are Neptune's second and third largest moons, respectively.
triton.jpg
The moon Triton
(click to enlarge)

Triton: The backward moon of Neptune

Voyager 2 discovered many of Neptune's moons in 1989, and took pictures revealing many previously unknown properties of Triton. Triton's icy, spherical surface reflects so much of the sunlight it receives that it is the coldest world in the solar system.
Triton is the only moon in the solar system with a retrograde orbit. This, along with Triton's high inclination relative to Neptune's equator, suggests that Triton may have been captured from interplanetary space.
tritonsurface.jpg
The surface of Triton

Photos of Triton show a strange surface shaped by more than just impact cratering, although its many undisturbed craters suggest that major geologic activity has subsided. Regions on Titan's surface show evidence of past volcanic and tectonic activity. The internal heat source for Triton's geologic activity is not known, but it may involve tidal heating.
The sublimation of surface ices creates a thin, hazy atmosphereon Triton made mostly of Nitrogen. The atmosphere creates wind streaks on the surface, and unknown processes pump unusual plumes of gas and particles into the atmosphere.

Uranus' medium-size moons
(300 - 1,500 km in diameter)

5 medium-size moons orbit Uranus (from innermost to outermost):
  • Miranda
  • Ariel
  • Umbriel
  • Titania
  • Oberon
Uranus' medium-size moons are made of ice and rock. Like other objects that formed far from the Sun, the ice is made up of ammonia, methane and water.
These moons pose several puzzles. Ariel and Umbriel are about the same size and density, but Ariel's young features indicate volcanic and tectonic activity, while Umbriel's largely cratered, uniform surface implies a lack of geologic activity. Titania and Oberon are also very close in radius, but show different levels of geologic activity. The faults on Titania indicate internal forces while Oberon's heavily cratered, icy surface shows few signs of movement.

miranda.jpg
A Canyon on Miranda
(click to enlarge)
Voyager 2 came closest to Uranus' smallest moon, Miranda, as it passed by on its way to Neptune. The features on Miranda's surface are different from other jovian moons. With a mixture of old and new surfaces, Miranda shows relatively few craters but has a number of canyons up to 12 miles deep. Due to Miranda's odd surface features, scientists spectulate that there is an additional source of heat, such as tidal heating. The cliff walls seen in the inset are higher than those of the Grand Canyon on Earth.
uranus_smallmoons.jpg
Uranus' Small Moons
(click to enlarge)

Uranus' small moons

Uranus' smallest moons are its innermost satellites. Portia heads a group of 8 inner satellites. The Portia Group consists of Bianca, Cressida, Desdemona, Juliet, Rosalind, Cupid, Belinda and Perdita. The Portian orbit is slowly decaying due to tidal deceleration and may one day either break apart to form a planetary ring or could potentially collide with Uranus. Orbits of the other satellites in the Portia Group have a similar fate.

Feb 07, 2015 | Miscellaneous

1 Answer

A definition explaining what a astrouids is


do you mean Asteroids ?
They are small rocky bodies orbiting the sun. Large numbers of these, ranging enormously in size, are found between the orbits of Mars and Jupiter, though some have more eccentric orbits.

May 19, 2014 | Video Game Consoles & Games

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Does the dark moon rise on the south side of the bay


No, sorry. The mean inclination of the lunar orbit relative to the ecliptic plane is merely 5.145 degrees. Just like the sun it rises in general eastern direction and sets in western direction, it will not touch the horizon in the south or north of any location on earth.

This result is independent of the moon phase which is solely determined by sun, moon and earth's relative positioning. The dark (or new moon) is simply not illuminated by the sun on the section visible from earth but still rises in the east.

Feb 20, 2014 | Office Equipment & Supplies

1 Answer

Why is moon not full all the time in the night sky


The sun lights up half of the moon. Depending on where the moon is in its orbit around the earth, we see anywhere from all of the lit half (full moon) to none of it (new moon).

See http://en.wikipedia.org/wiki/Lunar_phase

Dec 21, 2013 | Computers & Internet

2 Answers

Why is moon not full all the time


The sun lights up half of the moon. Depending on where the moon is in its orbit around the earth, we see anywhere from all of the lit half (full moon) to none of it (new moon). See http://en.wikipedia.org/wiki/Lunar_phase

Dec 21, 2013 | Computers & Internet

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