CELESTIAL BODIES

The term Celestial

Body is as expansive as

the entire Universe,

both known and

unknown.

•Comets•Satellites

•Constellations•Interesting Facts

•Stars•Planets•Galaxies•Asteroids

TOPICS

STARS

SUN• It is a huge ball of gases, mainly Hydrogen.• There is a massive nuclear reaction taking place in the sun, converting the Hydrogen gas into Helium gas.

10 Brightest StarsSirius

CanopusAlpha Centauri

ArcturusVega

CapellaRigel

ProcyonArchernar

Betelguese

PLANETS

INNER PLANETS

EarthMars

MercuryVenus

OUTER PLANETS

Jupiter Saturn

Uranus Neptune

DWARF PLANETS

Pluto

Ceres

Eris

GALAXIES

Galaxies are humongous systems of stars and interstellar matter.

MILKY WAY

ASTEROIDS

•Asteroids are large pieces of rocks or

metal and rocks.

•Astronomers have so far recorded the orbits of over 4000 asteroids.

COMETS

They have oval orbits and spend most of their time far away from the Sun.

SATELLITES

The surface of the moon has many craters, which were made by meteorites hitting it.

ARTIFICIAL SATELLITESScientific

experiments, studying

stars, galaxies,

etc.

It was sent by the former USSR on 4th Oct, 1957.

SPUTNIK-1

CONSTELLATIONS

URSA MAJOR• This group of stars is called the ‘Big Dipper’.• If we join these seven stars with imaginary lines, the figure looks like a Big Ladle.

URSA MINOROne part of this constellation, consisting a group of seven stars is called the ‘Little Dipper’.

CASSIOPEIA

A few bright stars of this constellation, make it look like an ‘M’ or a ‘W’.

ORION

Prominent stars of this constellation are Betelgeuse and Rigel.

INTERESTING FACTS

4.22 light years away from the sun

PROXIMA CENTAURI

There are 126 known multi-planetary systems (i.e. stars with at least two confirmed planets) beyond our Solar System.

NEW PLANET DISCOVERED

Researchers say it is too close to Sun to support life, with a surface temperature estimated at 1200 degree Celsius.

PRESENTATION BY:HIMANI RANA

SALONI HINDUJASAKSHI GULATI

RADHIKA UPPAL

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