My Inward Eye.....

Natural Satellites of Our Solar System:

Moon:

Parent Planet Earth.

A Natural satellite or Moon is a celestial body which orbits a planet.  Our Moon  is a Natural Satellite, it orbits the Planet Earth.  It’s the first moon Humans ever observed.  But during 1950 ,only close glimpse of its surface was observed.  In 1969  American men  stepped on the moon.  A small step for man but was a giant leap for Mankind.

·  Distance to Earth: 384,400 km

·  Gravity: 1.622 m/s²

·  Orbital period: 27 days

·  Age: 4.527 billion years

·  Circumference: 10,917 km

·  Orbits: Earth

Titan

Titan is the largest moon of Saturn. It is the only natural satellite known to have a dense atmosphere, and the only object other than Earth for which clear evidence of stable bodies of surface liquid has been found.  Titan resembles a frozen version of Earth several billions years ago. The moon is enveloped by an orange haze, which hindered the study of its surface.  But in 2004 onwards the spacecraft Cassini has revealed its whole new dimensions.

Distance to Earth: 1,272,000,000 km

Gravity: 1.352 m/s²

Orbital period: 16 days

Discovered: March 25, 1655

Orbits: Saturn

Discoverer: Christiaan Huygens

Europa

Parent Planet: Jupiter

Why You Should Know it: Despite being covered by distinctive, criss-crossing cracks and ridges, Europa's water-ice surface is largely free of craters, making it perhaps the smoothest solid body in the entire solar system. More interesting than Europa's frozen exterior, however, is what lies hidden beneath it.

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·  ·  Gravity: 1.315 m/s²

·  Distance to Earth: 628,300,000 km

·  Orbital period: 85 hours

·  Discovered: January 8, 1610

·  Orbits: Jupiter

·  Discoverers: Simon Marius, Galileo

Moon: Triton

Parent Planet: Neptune
Why You Should Know it: Of all the biggest, "major" moons in the solar system, Triton is the only one that orbits in a direction opposite that of its parent planet's rotation. Astrophysicists call this a "retrograde orbit," and it's typical of moons that have been "captured" by their parent planet.

·  ·  Triton is the largest moon of the planet Neptune, discovered on October 10, 1846, by English astronomer William Lassell.

·  ·  Orbital period: 141 hours

·  Discovered: 1846

·  Gravity: 0.779 m/s²

·  Distance to Earth: 4,338,000,000 km

·  Orbits: Neptune

·  Discoverer: William Lassell

The innermost  planet Mercury has no moons.  Venus has no Moons.

Earth has one moon the largest Moon of any  rocky Planet in the Solar System.  Mars has two known moons , the Phobos and Diemos. Jupitor has 67 known moons. Saturn has 62 Moons .Uranus has 27 named Moons. Neptune has 14 named moons. Among dwarf planets Ceres has no .  moons . Pluto has five moons. 

Haumea has two moons, Namaka and Hi'iaka
Makemake has no known moons.
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