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