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Mars Base

News | SDSU | Discovery Creates New Class of Planetary Systems - 0 views

newscenter.sdsu.edu/...news.aspx

scibyte29 Kepler multimedia circumbinary

shared by Mars Base on 13 Jan 12 - No Cached
  • Using data from NASA’s Kepler Mission
  • astronomers announced the discovery of two new transiting “circumbinary” planet systems — planets that orbit two stars.
  • two new planets, named Kepler-34 b and Kepler-35 b, are both gaseous Saturn-size planets
  • ...6 more annotations...
  • Kepler-34 b orbits its two sun-like stars every 289 days, and the stars themselves orbit and eclipse each other every 28 days.
  • eclipses allow a very precise determination of the stars
  • Kepler-35 b revolves about a pair of smaller stars (80 and 89 percent of the sun’s mass) every 131 days, and the stars orbit and eclipse one another every 21 days
  • Kepler-34 at 4,900 light-years from Earth
  • Kepler-35 at 5,400 light-years
  • among the most distant planets discovered.
Mars Base

India Marks 1 Year Without Polio, But Global Eradication Remains Uncertain - ScienceIns... - 0 views

news.sciencemag.org/...arks-1-year-without-polio.html

scibyte29 diseas

shared by Mars Base on 13 Jan 12 - No Cached
  • India Marks 1 Year Without Polio
  • By all indications, the country has gone 1 year without a single case
  • India's achievement is a major boost to the beleaguered GPEI, which has spent more than $8 billion over the past 23 years to rid the world of the disease
  • ...2 more annotations...
  • cases are surging in a number of countries -- not just the three other endemic countries of Pakistan, Afghanistan, and Nigeria, but in a dozen reinfected countries, many in Africa.
  • Many countries have been declared polio-free only to be reinfected by virus imported from another country
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