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SEARCHING FOR PLANETS AND LIFE

SEARCHING FOR PLANETS AND LIFE. SIMON GOODWIN Sheffield John Gribbin Sussex. 1995: 2005:. ONE. 150 PLANETS. THE PROBLEM WITH PLANETS…. …IS THEY’RE TOUGH TO SEE. A PLANET AROUND 51 PEG. EARTH FROM 30LYR. O3. CO2. H2O. IT’S LIFE JIM, BUT IT IS AS WE KNOW IT?. CARBON-BASED?.

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SEARCHING FOR PLANETS AND LIFE

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  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

  4. A PLANET AROUND 51 PEG

  5. EARTH FROM 30LYR O3 CO2 H2O

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

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

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

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

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

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

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

  13. THAT’S ALL (For now)

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