This Planet is the farthest, the smallest, the
darkest, the coldest and arguably the strangest.
It follows the most elongated and tilted orbit
in the solar system.
Its moon, Charon, is nearly half its size -
appears like a bi-planet.
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.
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Neptune
Diameter
49,000 Kilometer
Moons
8
Avg.Distance to Sun
4,497 million KM
Time to Orbit the Sun
165 Years
Facts
It is denser & little smaller than Uranus.
Its Atmosphere appear blue, with quickly
changing white clouds often suspended high above an
apparent surface.
Atmosphere constituents are mostly hydrocarbon
compounds.
It Emits about 2.3 times more energy than it
receives from the sun and the Aurora phenomenon was
noticed by Voyager II.
Uranus
Diameter
52,096 Kilometer
Moons
17
Avg.Distance to Sun
2,852.8 million KM
Time to Orbit the Sun
84 Years
Facts
Waterly Uranus is the only planet that lies on
its side.
One pole, than the other, faces the Sun as it
orbits.
Voyager-I found nine dark, compact rings around
the planet and a corkscrew-shaped magnetic field
that stretches millions of kilometers.
Mars
Diameter
6,755.2 Kilometer
Moons
2
Avg.Distance to Sun
225.6 million KM
Time to Orbit the Sun
687 Days
Facts
The Viking probes failed to Beneath its thin
atmosphere.
Mars is barren, covered with pink soil and
boulders.
Long ago it was active, the surface is marked
with dormant volcanoes and deep chasms where water
once freely flowed.
Venus
Diameter
12,032 Kilometer
Moons
None
Avg.Distance to Sun
107.52 million KM
Time to Orbit the Sun
225 Days
Facts
Earth's twin in size and mass, sparingly hot
Venus is perpetually veiled behind reflective
sulfuric-acid clouds.
Probes and radar mapping have pierced the clouds
and carbon-dioxide environment to reveal flat, rocky
plains & signs of volcanic activity.
Mercury
Diameter
4,849.6 Kilometer
Moons
None
Avg.Distance to Sun
57.6 million KM
Time to Orbit the Sun
88 Days
Facts
Tiny Mercury, slightly larger than Earth's moon.
Races along its elliptical orbital 1,76,000
kilometer per hour.
A speed that keeps it from being drawn into the
Sun's gravity field.
The crated planet has no atmosphere, days are
scorching hot and nights, frigid.
Earth
Diameter
12,732.2 Kilometer
Moons
1
Avg.Distance to Sun
148.8 million KM
Time to Orbit the Sun
365 Days
Facts
Uniquely moderate temperature and the presence
of oxygen and copious water maker Earth the only
planet in the solar system to support life.
Jupiter
Diameter
1,41,968 Kilometer
Moons
16
Avg.Distance to Sun
772.8 million KM
Time to Orbit the Sun
11.9 Years
Facts
Two Pioneer space probes photographed the Great
Red Spot on the Solar system's largest planet.
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.
They also spotted dusty rings, three new moons
and volcanoes on the Moon.
Saturn
Diameter
1,19,296 Kilometer
Moons
20 or more
Avg.Distance to Sun
1,417.6 million KM
Time to Orbit the Sun
29.5 Years
Facts
Voyager I found that the celebrated rings of the
golden giant Saturn are composed of thousands of
rippling, spiraling bands just 100 feets thick.
The moon Titan has a nitrogen atmosphere and
hydrocarbons.
Sun
Diameter
13,84,000 Kilometer
Statellites
9 Planets
Age
4.5 billion years
Facts
A rather ordinary, middle age star, the gaseous
sun may reach a temperature of 27-millon degrees
Celsius at its core.
Its 11 years cycle is now approaching a solar
maximum, a period marked by frequent sunspots and
flares.
On Earth, some radio waves will be disturbed and
the amazing sky streamers called Northern Lights
will appear.
|
AKHAND PRATAP SINGH
