1. SEARCHING FOR PLANETS AND LIFE SIMON GOODWIN Sheffield John Gribbin Sussex

2. 1995: 2005: ONE 150 PLANETS

3. THE PROBLEM WITH PLANETS… …IS THEY’RE TOUGH TO SEE

5. A PLANET AROUND 51 PEG

11. H2O O3 CO2 EARTH FROM 30LYR

12. IT’S LIFE JIM, BUT IT IS AS WE KNOW IT? CARBON-BASED? WATER-BASED? OXYGEN-USING?

13. IS LIFE COMMON? LIFE APPEARED IN ~100MYR BUT - IS INTELLIGENT LIFE COMMON? THAT TOOK ~4500MYR

14. THE FERMI PARADOX 60000 LYR 10 MYR TO COLONISE THE GALAXY

15. GALACTIC ZOO? INTERSTELLAR TRAVEL IS TOO DIFFICULT? NARROW WINDOW IN TIME? THEY’RE JUST NOT THERE? SELF-DESTRUCT?

16. THE GOLDILOCKS PLANET ‘COMET HOOVER’ THE MOON: STABILISES AXIS CAUSES TIDES (x2) THIN CRUST A QUIET SUN

17. ARE WE THE FIRST? THE SUN IS VERY METAL RICH FOR ITS AGE

18. WE ARE ONLY 10-20 YEARS AWAY FROM DISCOVERING EARTH-LIKE PLANETS AND MAYBE FINDING LIFE ON THEM…

19. THAT’S ALL (For now)