Transcript
Is a Star in the Milky Way Galaxy
The Sun is at the Center of our
Solar System All planets, their
moons, comets, and Asteroids all
orbit the Sun
The Sun is 10,000 degrees F
109 times the size of the Earth
IT IS MADE UP OF HUGE AMOUNT
OF GASES MAINLY HYDROGEN.
IT IS 15X10000000 KM AWAY
FROM THE EARTH.TEMPERATURE
OF SUN IS 6000 DEGREE CELCIUS.
it is the 1st planet and closet to the
Sun
it Orbits the sun every 88 days It
Makes one Revolution every 59 days
it Has no moons it is made up of
rocks and metals.it s temperature
varies from 170[night]-450
[day]degree celcius. It has no
satallite.
2nd Planet from the Sun
Called Earth’s “twin” because
they are so similar in size.
Orbits the Sun every 225 days
Make one Revolution every
243 days Has no moons
The surface is actually
impossible to see due to cloud
cover Special imaging tools
have given us a look at what
the surface might look like. It
can be seen 1-3 hours before
the sunrise and 1-3 hours
after the sunset.
3rd Planet from the
Sun
Orbits the Sun every
365 days
Makes one Revolution
every 24 hours
Earth is the only
planet in the solar
system with life on it
Is made of 71% water
it Has only one
moon
Orbits the Earth every 27 hours Makes one Revolution every 29 days The Dark spots are called Maria The rest of the moon that is light grey is called the highlands
PHASES OF MOON
• WAXING MOON
• THE TIME WHEN THE SIZE OF MOON KEEPS ON INCREASING. ON 15 DAY THE FULL MOON APPEARS THIS IS KNOWN AS WAXING PHASE
• WANING MOON
• AFTER FULL MOON DAY WHEN THE MOON STARTS DECREASING FINALLY ON 25 DAY IT IS NOT VISIBLE AT ALL THIS PHASE OF DECREASING IS KNOWN AS WANING PHASE
4th
planet form the Sun
Orbits the Sun every 687 days
Makes one revolution every
24hrs. 39 min., and 35 sec Has
Two moons phobos and deimos
Is red due to its Iron rich
surface
It’s temp. ranges from 20-60
degree celciusIs the next body
in space we hope to land on .
4th
planet form the Sun
Orbits the Sun every 687 days
Makes one revolution every
24hrs. 39 min., and 35 sec. Has
63 satellites
Is red due to its Iron rich
surface temp. ranges from 13-
124 degree celcius Is the next
body in space we hope to land
on
6th
Planet from the Sun
Orbits the Sun every 29 years
Makes one revolution every
10hrs
Is known for its seven bold
rings made of rocks and ice
Is the 2nd
largest Planet
Has 33 satellites. Biggest
satellite is titan
7th
Planet from the Sun
Orbits the Sun every 84
years
Makes one revolution
every 17 hours
Only Planet to rotate on
its side
Has rings
Has 27 unknown satellites
Is the last planet we can
see with out a telescope.
Neptune
8th
planet from the
Sun Orbits the Sun
every 165 years Makes
one revolution every
16 hours Has Rings it
Has 13 known
satellites.
• Stars are self luminous celestial bodies. The light emitted by them does not rech our eyes continuously it passes through several layers of atmosphere. Nearest star to earth after sun is Alpha centauri and proxima centauri. Distance from earth is measured in light years
• A star is formed when a cloud of hydrogen gas and dust is pulled together under it’s own gravity.At high pressure hydrogen atom combines to form helium atoms which results into evolution of anormous amount of heat and light. The material in the center of cloud becomes a star while leftover material may planets or other celestial bodies of the solar system
• A small group of stars seems to form an imaginary but recognizable pattern in the sky called constellation. There are about 88 constellations known so far. These are named after the animals or mythological characters known to the people at that time. Some are described in next slides:
• This constellation is visible in winters in the northern part of the sky in early hours of night. It looks like distorted letter like m or w
• Orion is also called HUNTER. This constellation can be seen during winters in the late evenings . the three middle stars represents the belt of hunter. The brightest star is named SIRIUS it can be located with the help of Orion. Three prominent stars of Orion are ALPHA ORI, BETELGEUSEand RIGEL
• URSA MAJOR : It can be seen during summers in early hours of night in northerenpart of the sky.They constitute a shape of great bear.
• URSA MINOR : It is also called lesser bear.Itconsists of seven prominent stars.The seventh star at the end of tail is the pole star.
• This is a bright and a prominent star in the north direction which does not appear to move.It is situated above the north axis of rotation of the earth and therefore it does not appear to move
• A galaxy is an large collection of billions of stars. Our planet the earth also belongs to one galaxy named as milky way. It is an spiral galaxy.
• These are small non luminous celestial bodies of solar system. They are found between mars and jupiter this region is called asteriod belt these are madwe up of rocky,and metalic substances.
• These are small chunks of frozen gases and dust that revolve around the sun. These are non luminous bodies comet appears as a bright head and a long tail of glowing gases called coma. One such comet is halley’scomet which appears after every 76 years. It was last seen in the year 1986.
• Sometimes we see an bright streak of light in the sky these are commonly known as shooting stars these are called Meteors.
• Sometimes , meteors are large enough so that they do not burn completely and a part of them reaches on earth is called an Meteorite.
RAMIT GOEL [36]
RAJAT LUTHRA [35]
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