Solar System

1
Solar System
2
Solar System

• Planets
• Sun
• Moon
• Constellations

3
Mercury

• First Planet in the Solar System

4
Venus

• Venus, the jewel of the sky, was once know by
  ancient astronomers as the morning star and
  evening star. Early astronomers once thought
  Venus to be two separate bodies. Venus, which is
  named after the Roman goddess of love and beauty,
  is veiled by thick swirling cloud cover.

5
Earth

• Earth is the 3rd planet from the Sun at a
  distance of about 150 million kilometers (93.2
  million miles). It takes 365.256 days for the
  Earth to travel around the Sun and 23.9345 hours
  for the Earth rotate a complete revolution. It
  has a diameter of 12,756 kilometers (7,973
  miles), only a few hundred kilometers larger than
  that of Venus. Our atmosphere is composed of 78
  percent nitrogen, 21 percent oxygen and 1 percent
  other constituents.

6
Mars

• Mars is the fourth planet from the Sun and is
  commonly referred to as the Red Planet. The
  rocks, soil and sky have a red or pink hue. The
  distinct red color was observed by stargazers
  throughout history. It was given its name by the
  Romans in honor of their god of war. Other
  civilizations have had similar names. The ancient
  Egyptians named the planet Her Descher meaning
  the red one.

7
Jupiter

• Jupiter is the fifth planet from the Sun and is
  the largest one in the solar system. If Jupiter
  were hollow, more than one thousand Earths could
  fit inside. It also contains more matter than all
  of the other planets combined. It has a mass of
  1.9 x 1027 kg and is 142,800 kilometers (88,736
  miles) across the equator.

8
Saturn

• Saturn is the sixth planet from the Sun and is
  the second largest in the solar system with an
  equatorial diameter of 119,300 kilometers (74,130
  miles).

9
Uranus

• Uranus is the seventh planet from the Sun and is
  the third largest in the solar system. It was
  discovered by William Herschel in 1781. It has an
  equatorial diameter of 51,800 kilometers (32,190
  miles) and orbits the Sun once every 84.01 Earth
  years.

10
Neptune

• Neptune is the outermost planet of the gas
  giants. It has an equatorial diameter of 49,500
  kilometers (30,760 miles). If Neptune were
  hollow, it could contain nearly 60 Earths.
  Neptune orbits the Sun every 165 years.

11
Pluto

• Pluto is the farthest planet from the Sun
  (usually) and by far the smallest.
• In Roman mythology, Pluto (Greek Hades) is the
  god of the underworld.

12
Sun

• The Sun is the most prominent feature in our
  solar system. It is the largest object and
  contains approximately 98 of the total solar
  system mass. One hundred and nine Earths would be
  required to fit across the Sun's disk, and its
  interior could hold over 1.3 million Earths. The
  Sun's outer visible layer is called the
  photosphere and has a temperature of 6,000C
  (11,000F). This layer has a mottled appearance
  due to the turbulent eruptions of energy at the
  surface.

13
Moon

• The Moon has fascinated mankind throughout the
  ages. By simply viewing with the naked eye, one
  can discern two major types of terrain
  relatively bright highlands and darker plains. By
  the middle of the 17th century, Galileo and other
  early astronomers made telescopic observations

14
Constellations

• The term "constellation" derives from Latin
  constellatio (from cum stellatus) and it can be
  defined as a portion of the vault of heaven which
  groups a certain number of stars.