2. The Distance
– 1 AU =150 million km
– Light takes 8.31 minutes from the Sun to reach us.
– AU = Astronomical Unit
3. The Distance
Light Year =Distance
Light can travel in 1 Earth
Year
Speed of Light = 300,000
km /sec
1 Light Year =
9,500,000,000,000 km
4. Where are we?
Where are we?
D.HA
Karachi
Pakistan
Earth…
5.
6. Our Place in the Universe
We will now look at our
place in the universe,
starting from our planet
Earth
We will zoom out at an
ever increasing scale to
see our place in the
universe.
The square box stating
“you are here” represents
our place & the previous
diagram
26. How far is Andromeda?
23 inch TV
.
Imagine the Milky Way
as a penny
Milky Way = a penny
1 inch = 100,000 Ly
23
In
ch
es
Aw
ay
Solar System – speck of
dust on the penny
Andromeda
Imagine a 23 inch TV
Andromeda will be 23
inches away
28. How far is Virgo Cluster?
60 Million LY
•The Virgo Cluster of
Galaxies is about 60
million light years or 600
inches away
•Imagine a tall building,
more than five stories
high (50 feet / 15 m)
•Place the TV, with the
coins on top of building.
30. 1.5 Billion LY Away
Imagine you are 1.5 Billion Light Years
away from Earth…
You turn back and try to look at earth
How far will it be?
Have you seen the tallest building?
33. 1.5 Billion LY Away – How Far?
Stack 7 Sears Towers
on top of each other
Place the TV on the
top
Look at the coin from
below…that’s where
our home galaxy is,
3800 m away…
That’s 1.5 Billion LY
away
34. Edge of Universe?
Travel further out…
You were 1.5 Billion LY Away
Edge of Universe: Fifteen Billion LY
35. Allah’s Universe
Can a universe so orderly, so vast be
created by Chance?
Do you still believe that the Universe
formed it self and that it has no creator?
36. Allah’s Universe
Surah Al Baqarah
2: 117
“The Originator of the heavens and the
Earth! When He decreeth a thing,He said
unto it only : Be! And it is.”
38. Our Neighbors
Proxima Centauri – Our nearest Star
– 40,000,000,000,000 km away
– 4.21 Light Years away
Andromeda – Nearest Galaxy
–
–
–
21 quintillion km away from us
i.e. 21,000,000,000,000,000,000 km
2.3 million light years away
The Milky Way Galaxy is about 150,000 light-years
across
It takes light from the sun 8.31 minutes to reach earth