a very good morning to you all it’s
really a homecoming for me because you
have just heard that I am from this
organization from this institution so to
be it’s rather the TEDx at home whatever
today I am going to talk about are going
to speak about my personal understanding
my personal lessons that I have learned
from the subject of astronomy and also
how my interactions with the common
people with students
everyone who are interested about the
sky how their interaction has shaped my
concepts about astronomy and the far
reaches it goes on including on inside
our human mind astronomical subject is a
very unique one thousands of years back
and our ancestors is looking to the sky
there is to wonder what is sky where is
time what is the position of the earth
with respect to the side what are those
like eight dots that we call stars and
is there any connection between the
stars and our heart with these set of
questions and queries the subject of
astronomy was born trash tsunami can be
considered as one of the oldest subject
that human minds have built upon at the
same time given the huge number of news
item that you regularly get to see the
media if it’s an idea that it is
probably one of the most happening
subjects in the recent times assume is a
subject can tell us what was the
physical situation in this spectacular
area on our earth and our surroundings
trillions of years back at the same time
it can give us a hint what can be the
situation in this region millions of
years later so spanning a vast expanse
of space and time I stood on the fields
and scientists all over the world are
realizing that soon the twenty filiberty
first century the laboratory of science
the biggest laboratory will not give the
earth the lumpy of science would be the
sky itself what because in order trying
in our understanding of nature as we are
going even deeper
we are realizing that producing that
much amount of energy to go more deeper
it is either prohibitively costly or
almost impossible but I mainly happen to
look into the sky every now well then we
come across objects or events when the
manifestation of energy is beyond human
comprehension and that is the reason the
sky is now getting looked up as the
laboratory of science for our future
generations as a subject also it’s just
tremendous it’s a multi-dimensional
subject every branch of basic science
applied science they have sort of as if
coming as like reverse and mixing it
with the sea they’re coming and melting
into the pot which is called astronomic
astrophysics astrochemistry astrobiology
computer science mathematics statistics
geology every subject is contributing
its major share of its knowledge to
astronomic and that is the reason it is
becoming tremendously important but this
is the scientific and academic aspect in
terms of the common people’s perception
of life of environment in a bigger scale
of trying to answer the question who am
i astronomic sky the cosmos is becoming
more and more important just to give you
an idea in my in my learning days every
now is a student and still I must do
them as I go through the subject of
astronomy I realize one fact that in
addition to the theories that complex
mathematics the fantastic observations
the colorful pictures there is lot more
to it because it gives us a hint of the
connection that what we are where we are
– the biggest object the biggest events
on the distant part of the cosmos and
that is the link that has energized me
in going out in reaching out to me
robbing people and then students for the
last two decades and we talk about talk
about the sky to the common people this
give you an idea the very concept of
life that has happened because if you
are not there our comprehension our
understanding of the nature will not be
so the very question of life on earth
itself
hands on a lot of issues factors which
almost can be termed as chance
happenings or accidents and just to give
you ideas very inspiring to think that
our Sun which is our guiding star it’s
just a pretty ball of hot gas plasma
basically and the at the core the
thermonuclear fusion reaction that
converts hydrogen to helium produces the
energy which is actually coming out and
helping us to leave but this energy also
produces an output pressure which
balances the inward force of gravity and
gives shun Sun as a ball of gas but
millions of years without we sitting in
that Morse fear it is amazing that the
presence of earth the situation of one
is such a distance from the Sun that it
is bang in the middle of what is called
habitable zone where by definition the
temperature will be such that water can
be the liquid state which is a
prerequisite for any living organisms
right
it is also an amazing thing that though
the surface temperature of Earth is
around 40 to 60 degree centigrades on
average but inside because of gravity
and presence of radioactive elements the
temperature can go beyond 3000 degrees
centigrade and which makes the inside
core a molten state and this molten
material which is ionized this charged
particle as they go through a circular
motion because of the spinning of the
earth creates an electric current which
produces a magnetic field which arguably
goes down to create a geomagnetic
structure invisible though outside our
and this for this for this romanichal
free forms a natural barrier for the
almost million tons of particles coming
out every second from the surface of the
Sun because these particles are an
average out velocity of 450 kilometer
per second if the heat in the atom or
molecule they would like a part so that
we survive that we have an atmosphere
that it is not stripped out by this
charged particle is because of this
almost accidental happening of a shield
magnetic shape
it’s amazing that when we consider the
presence of even the moon scientists
believe 4.5 1 billion years back a huge
body of rock typically the size of Mars
him and banged on to the earth the
pollution was so tremendous huge amount
of the surface material went up in space
for millions of years they condensed
coagulated Qualis and has given birth to
the moon this formation of moon has been
very critical in shaping what is earth
today because scientists also believe
because of this huge collision that
spinning axis of Earth are tilted by 23
and 1/2 degrees in respect this
revolution axis around the Sun and just
because of this theory it is one of the
major reasons season changes occur
around and because of the change of
seasons a different hemisphere because
of the temperature difference ocean can
insert generally because of the ocean
had it been that it lies in the ocean
their air condition that was here and
since the rear air currents in the
atmosphere clouds should have born
somewhere else and gathered somewhere
and give us rain and fresh water and the
main source of life so that we exist is
because of this accidental page noon
also process types types are very
important why because we all have learnt
in our childhood days life first
originated on the under waters of the
oceans how do you came onto the hand it
is because of the times the progression
of life happened from ocean to land and
from there different things happened
different animals form happen and we
have arrived from them so our sheer
existence depends on the activities
which have governed by the moon that is
one another very very important aspect
if you go beyond the orbit of Mars
between Mars and Jupiter scientists from
the 1801
onwards have discovered thousands and
thousand pieces of rock
few to tens of kilometers in size going
around the Sun they’re called asteroids
and some of them there are which are
such the intersect orbit of Earth that
means they can come in at a point at the
time when art can commence at the same
point
huge collision canals they have called
Apple asteroids tilde around 8800 Apple
asteroids has been discovered but there
are more to be discovered and if you ask
the question when you can it collide the
answer is any point of time we really do
not know because we really do not have
discovered all of them so that we are
existing is also a continuous process of
accidents of not happening something so
in this particular aspect we see that
though we paint over everyday life in a
very planned manner we like to create
plans around ourselves to do this then
next to that next to that but there are
things on a cosmic scale which will
happening this can change everything in
a fraction of a second for example just
you take the precision of light as I was
mentioning scientists in the last
century or so has realized that every
form of matter
apart from hydrogen and helium that goes
on to produce anything including about
body this this auditorium everything
around you the material can only be
produced inside the star or in his
atmosphere apart from hydrogen and
helium so this tremendous amount of
nucleosynthesis that goes on and then
gets dissipated in the environment by
either stellar pulsations or by Solari
or by explosions goes on to ultimately
create what we see of us today
so in not in a very poetic sense but in
a realistic way we can say all of us at
star children we are made up of cell are
fossils so in that way I want any
existence our queries when we ask deeper
questions within ourselves try to
introspect trying to go beyond our
everyday life and ask about the origin
the evolution the destiny of life of
everything that we see around we have to
look into the star and this particular
aspect has moved me over the last 30
years or so and I find that this
particular aspect when I discuss it with
among young people among young students
they
motivates them when I discuss it among
common people it not only not changes
them it makes them look at life in a
particular peculiar way which an
uninitiated mind or a not a
scientifically oriented mind will look
at so that’s a fantastic positive thing
so when I when I talk about that how the
process was created how it has evolved
that’s a much bigger question but in
everyday life the questions that we go
to sometimes this question comes to our
mind what are we where from we have come
how long we can exist whether we will
change ourselves for evolution and in
every aspect that answer lies with the
subject of astronomic other dancer life
in the dark pit of the gospel we
technologically advanced technologically
advanced instruments we have been able
to go deeper and deeper into the
verticals we are discovering objects
events which goes beyond our known
scientific explanation but still we
understand that each thing however
distant it is however removed it is from
our everyday life has some connection
and this cosmic consciousness
this global consciousness is creating a
revolution in terms of human mind set
down some human psychology give an
emotional approach because otherwise we
look at things because of our existence
shell struggles everyday life because
our focus sometimes very narrow for our
feature we retain to forget whatever is
around us we they do forget whether they
can affect us we look to delay drop
affects factors which can affect my life
directly but these phenomena these
events these objects they are very much
there and they can affect our life our
thoughts our existence at any instant
and that is the reason when I speak
about for the last two decades or so
when I talk to common people happy to
ladies even not even first-level general
fast journalists generation learners and
there I try to attract them by saying
okay you’re tilling the ground they are
most deliberate tell me how do you know
when is the rainy season coming how do
you know going to start to fill the land
they said ok we get you notifications on
governments are ready or or something
I tell them three and a half thousand
years back in a land called Egypt that
be the people used to see the brightest
star in the sky is just rising when the
Sun is setting serious they will know
within fifteen days
really so sky can be used the objects in
the sky their positions their their
behavior can be used to understand life
environment connectivity the lane with
the environment in a bigger scale to
ourself and I will need math and that is
the reason there is been an extremely
rewarding lesson but being over the last
decade or so when I see suddenly as if
the mind lights up like a like an
electric bulb oh you said because re T’s
that itself is the biggest biggest
reward one can get as a science
communicator like me and it is not only
in our country throughout the world you
will see that there is a tremendous
amount of effort in what is called as
public outreach wash public outreach is
not just to gain support from the public
for some huge big scientific projects it
is rather to make them understand their
position their situation in the whole
background of a much bigger than verse
which will ultimately go down to unmake
them understand their own potential that
is the future prediction of any your
mental agencies any organization that
human day should ultimately try to
understand their own potential and this
whole potential to understand it you
have to understand if we introspect you
have to go down to your mind you have to
connect you in
cosmos if I Khali that cosmos which is
our around us about the sky when I tell
young people even college professors
that and I’m requesting you to do an
experiment tomorrow when you are coming
to the office just look at the sky
abruptly this took a and tried to think
of a negative thought negative ideas and
we simply would see sky never allows you
to think negative if you are in pain if
you look into the sky just looking to it
it the pain is not it doubt if you
become numb if you are happy your mind
expands instantaneously why what is the
reason I do not know but I feel that
this ultimate query inside our
subconscious of understanding who am i
where from I have come back from I have
originated where am I going
the answers without understanding
probably is hidden in the cosmos in the
sky and that is the reason astronomy has
gone beyond its capacity offer of a
subject area which a lot of researchers
are going on lot of studies are going on
a lot of books are being written a lot
of instruments are being built it is now
becoming the further the film for our
soul also this connection whenever but I
have come across students were telling
me said I was very sad because of
tremendous amount of problems at my home
in the night dark night I looked into
the sky from my rooftop and suddenly I
realized am i I mean am I not very small
do I consider my troubles my thoughts my
problems as very big tool only to me but
in the whole scheme of events recently a
very small issue and as since it is
small and we overcome it
this is nothing to do with how many
revolutions of planning goes around us
on what is this structure what is its
capacity and all sorts of things but it
goes on to make your mind expand instead
thickness and this concept whatever
vocations you are doing whatever studies
you are doing whatever proficiency will
enter style always will
we’ll always there and not only that
this concept of a universality this
concept of a vast expanse unfathomable
depth of space and the objects are the
events which historically presently and
in the future will affect intimately our
concepts our origin our evolution I am
testing through actions astronomic is
becoming tremendously important in
trying to find out the relation the
inter relation the connectivity with
nature and meaning with my existence and
myself with the origin of life origin of
solar system origin of art origin of the
universe on every day’s terms it seems
oh my god they are so very distant so
far they’re not related why should I
bother about them but slowly
this idea is gonee and people not only
in scientific that know the sky is
really the limit of the human of the
frontier of human endeavor to understand
itself to understand nature and to
understand how we are coming thank you [Applause]