Thursday, December 16, 2010

SOLAR SYSTEM

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PlutoDiameter3,040 Kilometer
Moons1
Avg.Distance to Sun5,865.5 million KM
Time to Orbit the Sun248 Years
Facts
  1. This Planet is the farthest, the smallest, the darkest, the coldest and arguably the strangest.
  2. It follows the most elongated and tilted orbit in the solar system.
  3. Its moon, Charon, is nearly half its size - appears like a bi-planet.
  4. NASA used a new infra-red telescope, has learned that Pluto is shrouded in frozen nitrogen- not methane as once thought. Nitrogen makes 78% of the air.



NeptuneDiameter49,000 Kilometer
Moons8
Avg.Distance to Sun4,497 million KM
Time to Orbit the Sun165 Years
Facts
  1. It is denser & little smaller than Uranus.
  2. Its Atmosphere appear blue, with quickly changing white clouds often suspended high above an apparent surface.
  3. Atmosphere constituents are mostly hydrocarbon compounds.
  4. It Emits about 2.3 times more energy than it receives from the sun and the Aurora phenomenon was noticed by Voyager II.



UranusDiameter52,096 Kilometer
Moons17
Avg.Distance to Sun2,852.8 million KM
Time to Orbit the Sun84 Years
Facts
  1. Waterly Uranus is the only planet that lies on its side.
  2. One pole, than the other, faces the Sun as it orbits.
  3. Voyager-I found nine dark, compact rings around the planet and a corkscrew-shaped magnetic field that stretches millions of kilometers.



MarsDiameter6,755.2 Kilometer
Moons2
Avg.Distance to Sun225.6 million KM
Time to Orbit the Sun687 Days
Facts
  1. The Viking probes failed to Beneath its thin atmosphere.
  2. Mars is barren, covered with pink soil and boulders.
  3. Long ago it was active, the surface is marked with dormant volcanoes and deep chasms where water once freely flowed.



VenusDiameter12,032 Kilometer
MoonsNone
Avg.Distance to Sun107.52 million KM
Time to Orbit the Sun225 Days
Facts
  1. Earth's twin in size and mass, sparingly hot Venus is perpetually veiled behind reflective sulfuric-acid clouds.
  2. Probes and radar mapping have pierced the clouds and carbon-dioxide environment to reveal flat, rocky plains & signs of volcanic activity.



MercuryDiameter4,849.6 Kilometer
MoonsNone
Avg.Distance to Sun57.6 million KM
Time to Orbit the Sun88 Days
Facts
  1. Tiny Mercury, slightly larger than Earth's moon.
  2. Races along its elliptical orbital 1,76,000 kilometer per hour.
  3. A speed that keeps it from being drawn into the Sun's gravity field.
  4. The crated planet has no atmosphere, days are scorching hot and nights, frigid.


EarthDiameter12,732.2 Kilometer
Moons1
Avg.Distance to Sun148.8 million KM
Time to Orbit the Sun365 Days
Facts
  1. Uniquely moderate temperature and the presence of oxygen and copious water maker Earth the only planet in the solar system to support life.



JupiterDiameter1,41,968 Kilometer
Moons16
Avg.Distance to Sun772.8 million KM
Time to Orbit the Sun11.9 Years
Facts
  1. Two Pioneer space probes photographed the Great Red Spot on the Solar system's largest planet.
  2. Voyagers I and II later showed it is an enormous eddy in the turbulent cloud cover. Earth the only planet in the solar system to support life.
  3. They also spotted dusty rings, three new moons and volcanoes on the Moon.



SaturnDiameter1,19,296 Kilometer
Moons20 or more
Avg.Distance to Sun1,417.6 million KM
Time to Orbit the Sun29.5 Years
Facts
  1. Voyager I found that the celebrated rings of the golden giant Saturn are composed of thousands of rippling, spiraling bands just 100 feets thick.
  2. The moon Titan has a nitrogen atmosphere and hydrocarbons.



SunDiameter13,84,000 Kilometer
Statellites9 Planets
Age4.5 billion years
Facts
  1. A rather ordinary, middle age star, the gaseous sun may reach a temperature of 27-millon degrees Celsius at its core.
  2. Its 11 years cycle is now approaching a solar maximum, a period marked by frequent sunspots and flares.
  3. On Earth, some radio waves will be disturbed and the amazing sky streamers called Northern Lights will appear.

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