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SETI Zeroes in on Newly Discovered Kepler Planets for Advanced Alien Life


The Allen Telescope Array (ATA) nestled in California's High Sierras is once again searching planetary systems for signals that would be evidence of extraterrestrial intelligence. Among its first targets are some of the exoplanet candidates recently discovered by NASA’s Kepler space telescope.

The Kepler space telescope has uncovered 140 candidate planets the size of Earth circling other stars, potentially reshaping our view of the universe. Launched in March 2009, Kepler's sensitive camera stares at a field of stars in the constellations Cygnus and Lyra. The telescope looks for tiny dips in each star's brightness, a sign something is passing between the star and the Kepler spacecraft.

“This is a superb opportunity for SETI observations,” said Jill Tarter, the Director of the Center for SETI Research at the SETI Institute.  “For the first time, we can point our telescopes at stars, and know that those stars actually host planetary systems – including at least one that begins to approximate an Earth analog in the habitable zone around its host star.  That’s the type of world that might be home to a civilization capable of building radio transmitters.”

The ATA had been placed in hibernation mode last April as the result of the withdrawal of the SETI Institute’s former partner, U.C. Berkeley, due to budgetary shortfalls.  Berkeley was the operator of the Hat Creek Observatory in northern California where the ATA is located.  With new funding recently acquired for observatory operations, the ATA can resume SETI observations where it left off: examining the thousands of new candidate planets found by Kepler. 

Highest priority will be given to the handful of worlds discovered so far that are located in their star’s habitable zone: the range of orbital radii where temperatures are neither too hot nor too cold for liquid water to exist.  Most astrobiologists consider that liquid water is the sine qua non for life.

“In SETI, as with all research, preconceived notions such as habitable zones could be barriers to discovery,” adds Tarter.  “So, with sufficient future funding from our donors, it’s our intention to examine all of the planetary systems found by Kepler.”

Observations over the next two years will allow a systematic exploration of these Kepler discoveries across the entire, naturally-quiet 1 to 10 GHz terrestrial microwave window.  The ATA is unique in providing ready access to tens of millions of channels at any one time, anywhere in this 9 billion channel range (each channel is 1 Hz wide). 

Until recently many SETI searches focused on limited frequency ranges, including a small number of observations at the 8.67 GHz spin-flip transition of the 3He+ ion, proposed by the team of Bob Rood (University of Virginia) and Tom Bania (Boston University).  In memory of Rood, who died November 2, the initial ATA search of Kepler targets this week will focus around the 8.67 GHz band, before moving on to examine the billions of channels available for observation at the ATA.

The restart of SETI work at the ATA has been made possible thanks to the interest and generosity of the public who supported SETI research via the web site.  Additional funds necessary for observatory re-activation and operations are being provided by the United States Air Force as part of a formal assessment of the instrument’s utility for Space Situational Awareness (see for more information).

“Kepler’s success has created an amazing opportunity to focus SETI research.  While discovery of new exoplanets via Kepler is backed with government monies, the search for evidence that some of these worlds might be home to intelligence falls to SETI alone.  And our SETI exploration depends entirely on private donations, for which we are deeply grateful to our donors,” notes Tarter.

“The year-in and year-out fundraising challenge we tackle in order to conduct SETI research is an absolute human and organizational struggle, yet it is well worth the hard work to help Jill’s team address what is one of humanity’s most profound research questions,” says Tom Pierson, CEO of the SETI Institute.

The public can follow the new ATA observations via the web site.

The Daily Galaxy via


The recent Kepler 22b discovery is exciting, to say the least. Even though its about 2.4 times the Earth's radius, we don't know how dense it is so it could even have similar gravity characteristics as Earth.

It's only a matter of time until we find that Goldilocks planet that will ignite the race to colonize.

If indeed; we are to look into space for extraterrestrial life or signs of it, then we
should turn our attention to the fastest moving object in the universe. A beacon
for space travelers to home in on and use for celestial navigation. With their
FTL spaceships. This would be VFTS 102, a beacon all space faring civilizations
would home in on, as a starting point to their travels in space. Or some
sort of gravitational navigation equipment, for plotting black holes; such as,
NGC 3842, = to 9.7 billion Suns. A massive anchoring point on any navigational
chart. I would definitely look at VFTS102 for intelligent life in space.

And this would be VFTS 102 [1], that is rotating at more than two million
kilometres per hour -- more than three hundred times faster than the Sun
[2] and very close to the point at which it would be torn apart due to centrifugal forces. VFTS 102 is the fastest rotating star known to date [3].

dr burke
This does sound original to me and it makes sense in a lot of ways. My glitch would be that it would only be needed for deep space type journeys as close space pretty much uses line of sight. If you went to a away from the star it could slow or even become a binary again, or went closer and it could be all ready blown into space dust.
The black holes could be longer lasting but would have some of the same effects. Every thing moves and every thing changes. Still, I like the idea

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