2. 365 x 24 x 60 x 60 Harry Kroto 2004

3. 365 x 24 x 60 x 60 = 0.36 x 2.4 x 0.36 x 10 2 x 10 x 10 4 Harry Kroto 2004

4. 365 x 24 x 60 x 60 = 0.36 x 2.4 x 0.36 x 10 2 x 10 x 10 4 = 3x10 7 sec in a year Harry Kroto 2004

5. 365 x 24 x 60 x 60 = 0.36 x 2.4 x 0.36 x 10 2 x 10 x 10 4 = 3x10 7 sec in a year 30 million seconds in a year Harry Kroto 2004

6. The Universe is BIG and all our information about it has been obtained by analysing the light received from space Harry Kroto 2004

7. So the Universe is BIG and all our information about it has been obtained by analysing the light received from space It has come at the speed of light Harry Kroto 2004

8. So the Universe is BIG and all our information about it has been obtained by analysing the light received from space It has come at the speed of light 3x10 10 cm s -1 = 3x10 5 km s -1 Harry Kroto 2004

9. So the Universe is BIG and all our information about it has been obtained by analysing the light received from space It has come at the speed of light 3x10 10 cm s -1 = 3x10 5 km s -1 3x10 7 sec in a year Harry Kroto 2004

10. So the Universe is BIG and all our information about it has been obtained by analysing the light received from space It has come at the speed of light 3x10 10 cm s -1 = 3x10 5 km s -1 3x10 7 sec in a year 1ly = 10 13 km = 10 18 cm Harry Kroto 2004

11. So the Universe is BIG and all our information about it has been obtained by analysing the light received from space It has come at the speed of light 3x10 10 cm s -1 = 3x10 5 km s -1 3x10 7 sec in a year 1ly = 10 13 km = 10 18 cm Orbit of Pluto about 10 -3 ly Harry Kroto 2004

12. So the Universe is BIG and all our information about it has been obtained by analysing the light received from space It has come at the speed of light 3x10 10 cm s -1 = 3x10 5 km s -1 3x10 7 sec in a year 1ly = 10 13 km = 10 18 cm Orbit of Pluto about 10 -3 ly Orbit of the earth ca 10 -5 ly Harry Kroto 2004

14. U A Summary