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PLANET EARTH IN THE SOLAR SYSTEM
UNIVERSE Definition- :
The Universe comprises everything we perceive to exist physically, space, time, all forms of matter and energy.
GALAXY
Definition-
Galaxies are star systems
made up of hundreds of thousands
or even billions of stars in addition
to gas and dust.
MILKYWAY GALAXY
OTHER GALAXIES OF THE UNIVERSE
A CLUSTER OF GALAXIES
NEBULA-THE BIRTHPLACE OF A STAR
A STAR Definition— A huge ball of gas held together by
gravity. The central core of a star is extremely hot and produces energy. Some of this energy is released as visible light which makes the star glow.
Stars come in different sizes, colours and temperatures.
PLEIADES CLUSTER OF STARS
IMAGES OF THE SUN
CONSTELLATION
Definition— A group of stars seen as forming a
figure or design in the sky, many of which are based on mythological traditions from ancient Greek and Middle Eastern Civilisation.
There are 88 officially recognised constellations.
CONSTELLATION-URSA MAJOR AND ORION
SOLAR SYSTEM
Definition- The solar system consists of the Sun, its eight major planets, the dwarf planets and small bodies, clouds of dust and gas.
OUR SOLAR SYSTEM
PLANET
Definition- Planet is a celestial body that1) Is in orbit around the Sun2) has sufficient mass to assume a
round shape3) Has cleared the neighbourhood
around its orbit.
PLANET JUPITER AND ITS SATELLITES
PLANET SATURN AND ITS SATELLITES
PLANET EARTH AND ITS SATELLITE-MOON
ADWIN ALDRIN EXPLORING THE SEA OF TRANQUILITY(MOON)
ASTEROIDS
Any number of numerous small,
often irregular shaped rocky bodies
that orbit the sun, primarily in the
asteroid belt, A region between the
orbits of mars and Jupiter .
ASTEROID BELT
INDIVIDUAL ASTEROIDS
METEOROID, METEOR, METEORITE
Meteoroid is a solid object moving in interplanetary space, of a size considerably smaller than an asteroid and considerably larger than an atom.
Meteor is the visible streak of light that occurs when a meteoroid enter the earth’s atmosphere.
Meteorite is a portion of a meteoroid or asteroid that survives its passage through the atmosphere and impacts with the ground without being destroyed.
METEOROIDS
METEOR SHOWER
SAMPLES OF METEORITES
BERRINGER IMPACT CRATER[ARIZONA]
COMETS
BLACK HOLES
HUBBLE SPACE TELESCOPE
PARANAL SPACE OBSERVATORY
HOPE YOU ENJOYED THIS PRESENTATION!
MADE BY:DOYEL GANGULY
www.udgamschool.com