Brief introduction of Astronomy

1. Cosmos

2. HOW BIG IS OUR UNIVERSE?
• Our Universe is
13.77 Billion years
old
• Observable
Universe =~ 5%
• Dark Matter =~
25%
• Dark Energy =~
70%

3. Cosmic Address

4. WHAT IS GRAVITY?

5. REVOLUTION

6. AROUND MILKYWAY

7.  Speed of Light 1080 Million Km/Hr
 Distance between Sun and Earth 149,598,000 Kms = 1
Austronomical Unit
 Time taken for Sun light to reach Earth 8 minutes 19 seconds
Now imagine a Galaxy named ‘A’, situated 66 Million Light
Years away from our planet Earth

8. Andromeda Galaxy

9. MILKDROMEDA
• On its way to collide
with Milkyway,
travelling at a speed
of 110 Km/Sec
• Just 3.75 Billion
Light Years away

10. That’s it for now.