This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: underneath its surface with a period of about 12 years (the same as Jupiter's period around the sun). Gilese 876 double planet system One of the first planets to be detected by the wobble doppler effect Closer the planet is to the sun, the bigger the wobble Of the known planets, large amount of them are very large Some orbits are well determined In the infrared, planets are brighter than their stars Terrestrial planet finder launched in about 15 years Finding oxygen in their atmosphere would signal us to the possibility of life (photosynthesis But it's easier to find ozone than oxygen Can oxygen arise natyrally on n a=oxygen The Arecibo Radiotelecope, send signals out, 50k yrs we'll hear ther respnse and for pics...
View Full Document
- Spring '07
- Solar System, Planet, 12 years, 15 years, wobble doppler effect