<html><body><div style="color:#000; background-color:#fff; font-family:times new roman, new york, times, serif;font-size:12pt"><div><span>Hopefully it isn't too much like Earth, otherwise nobody will want to visit it. </span></div><div><span></span> </div><div><span>Donovan Arnold</span></div><div><br></div> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <div style="font-family: times new roman, new york, times, serif; font-size: 12pt;"> <font size="2" face="Arial"> <div style="margin: 5px 0px; padding: 0px; border: 1px solid rgb(204, 204, 204); height: 0px; line-height: 0; font-size: 0px;" class="hr" contentEditable="false" readonly="true"></div> <b><span style="font-weight: bold;">From:</span></b> Tom Hansen <thansen@moscow.com><br> <b><span style="font-weight: bold;">To:</span></b> Moscow Vision 2020 <vision2020@moscow.com> <br> <b><span style="font-weight: bold;">Sent:</span></b> Tuesday,
December 6, 2011 8:35 AM<br> <b><span style="font-weight: bold;">Subject:</span></b> [Vision2020] Earthlike Planet Found Orbiting at Right Distance for Life<br> </font> <br>
<div id="yiv307571671"><div><div><div></div><div>Courtesy of The National Geographic at:</div><div><br></div><a href="http://news.nationalgeographic.com/news/2011/12/111205-earthlike-planet-confirmed-life-nasa-kepler-habitable-space-science/" rel="nofollow" target="_blank">http://news.nationalgeographic.com/news/2011/12/111205-earthlike-planet-confirmed-life-nasa-kepler-habitable-space-science/</a><div><div> </div><div>------------------------------</div><span style="color: rgb(51, 51, 51); line-height: 15px; font-family: Arial, sans-serif; font-size: 12px;" class="yiv307571671Apple-style-span"><h1 style="margin: 1px 0px 10px; padding: 0px; line-height: normal; clear: left; font-size: 2.12em; font-weight: bold;">Earthlike Planet Found Orbiting at Right Distance for Life</h1><h2 style="font: 1.37em/1.5 Georgia, serif; margin: 0px 0px 10px; padding: 0px; width: 600px; color: rgb(102, 102, 102); clear: left; float: left; font-size-adjust: none;
font-stretch: normal;" class="yiv307571671subtitle">Kepler-22b is first planet confirmed "smack in the middle of the habitable zone."</h2></span><div style="margin: 20px 0px 0px; padding: 0px; color: rgb(51, 51, 51); line-height: 15px; clear: left; font-family: Arial, sans-serif; font-size: 12px;" class="yiv307571671article_text"><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><b>A possible Earth twin has been confirmed orbiting a sunlike star 600 light-years away—and the new planet may be in just the right spot for supporting life, NASA announced Monday.</b></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">Discovered by the Kepler space mission, the new planet—dubbed Kepler-22b—is the first world smaller than <a style="color: rgb(4, 78, 142); text-decoration: none;"
href="http://science.nationalgeographic.com/science/space/solar-system/neptune-article.html" rel="nofollow" target="_blank">Neptune</a> to be found in middle of its star's habitable zone.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">Also called the Goldilocks zone, the habitable zone is the region around a star where a planet's surface is not too hot and not too cold for liquid water—and thus life as we know it—to exist.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">Other planets have been spotted in the habitable zones of their stars, but most of those worlds are Jupiter - or Neptune-size bodies that are unlikely to harbor life.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"The number of confirmed sub-Neptunian worlds in their habitable zones are few
and far between, because they are the hardest ones to find," said Natalie Batalha, Kepler's deputy science team leader at San Jose State University in California.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">In fact, only two known planets fit this description so far—Gliese 581d and HD 85512—and both worlds orbit at the very edges of their stars' habitable zones, making them more akin to Venus and Mars than to Earth.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"What makes this particular discovery so exciting is that this planet is right smack in the middle of the habitable zone," Batalha said.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"It's also orbiting a star that's almost a twin of our sun, whereas the other two detections are orbiting significantly
cooler stars."</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><b>Getting Closer to Truly Earthlike</b></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">The Kepler mission finds new worlds by simultaneously monitoring 150,000 stars for dips in brightness, which are indicative of planets passing in front of—or transiting—their stars.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">Kepler-22b was among the 54 roughly Earth-size planet candidates announced by the Kepler team in February. But the spacecraft needs to watch at least three transits to confirm that a signal is a planet.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"Fortune smiled upon us with the detection of this planet," William Borucki, Kepler's
principal investigator at the NASA Ames Research Center in Moffett Field, California, said in a statement.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"The first transit was captured just three days after we declared the spacecraft operationally ready. We witnessed the defining third transit over the 2010 holiday season."</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">The new planet is about 2.4 times the radius of Earth, but scientists don't yet know its composition, because they are still missing a crucial piece of information: Kepler-22b's mass.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">The Kepler team is hopeful, however, that the mass of Kepler-22b could be calculated with the help of a new ground-based instrument in the Spanish Canary Islands that will begin
observations next spring.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">Called HARPS North, the new telescope is capable of measuring with high precision a planet's doppler velocity—changes in the frequency of light from an object in space as it moves toward or away from Earth.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">With this information, scientists can calculate the mass, and therefore the density, of Kepler-22b and determine whether it's a rocky planet or a water world.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"We are really hopeful that HARPS North might be able to be a really big help in this quest for the mass of this planet," San Jose State's Batalha said.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6
!important;">"We're just getting closer and closer to what is truly Earthlike, and that progress is exciting to watch."</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i>The new planet Kepler-22b will be detailed in an upcoming issue of the AstrophysicalJournal. </i></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i>---------------</i></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i>Kepler-22b</i></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i><img id="yiv30757167193F5068D-CCB9-4A3B-A3F2-C48094640C79" alt="image.jpeg" src="cid:1.1865940537@web38108.mail.mud.yahoo.com" width="728" height="484"><br></i></div></div><div>------------------------------<br><br><div>Seeya round town,
Moscow.</div><div><br></div><div>Tom Hansen</div><div>Moscow, Idaho</div><div><br></div><div>"If not us, who?</div><div>If not now, when?"</div><div><br></div><div>- Unknown</div></div></div></div><div></div></div></div>Field, California, said in a statement.<div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"The first transit was captured just three days after we declared the spacecraft operationally ready. We witnessed the defining third transit over the 2010 holiday season."</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">The new planet is about 2.4 times the radius of Earth, but scientists don't yet know its composition, because they are still missing a crucial piece of information: Kepler-22b's mass.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">The Kepler team is hopeful,
however, that the mass of Kepler-22b could be calculated with the help of a new ground-based instrument in the Spanish Canary Islands that will begin observations next spring.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">Called HARPS North, the new telescope is capable of measuring with high precision a planet's doppler velocity—changes in the frequency of light from an object in space as it moves toward or away from Earth.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">With this information, scientists can calculate the mass, and therefore the density, of Kepler-22b and determine whether it's a rocky planet or a water world.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"We are really hopeful that HARPS North might be able to be a really big help in this quest for
the mass of this planet," San Jose State's Batalha said.</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;">"We're just getting closer and closer to what is truly Earthlike, and that progress is exciting to watch."</div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i>The new planet Kepler-22b will be detailed in an upcoming issue of the AstrophysicalJournal. </i></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i>---------------</i></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i>Kepler-22b</i></div><div style="margin: 0px 0px 10px; padding: 0px; color: rgb(51, 51, 51); line-height: 1.6 !important;"><i><img id="yiv30757167193F5068D-CCB9-4A3B-A3F2-C48094640C79" alt="image.jpeg"
src="cid:1.1865940537@web38108.mail.mud.yahoo.com" width="728" height="484"><br></i></div></div><div>------------------------------<br><br><div>Seeya round town, Moscow.</div><div><br></div><div>Tom Hansen</div><div>Moscow, Idaho</div><div><br></div><div>"If not us, who?</div><div>If not now, when?"</div><div><br></div><div>- Unknown</div></div></div><div></div><div><br>=======================================================<br> List services made available by First Step Internet,<br> serving the communities of the Palouse since 1994.<br><a href="http://www.fsr.net" target="_blank">http://www.fsr.net</a><br> mailto:<a href="mailto:Vision2020@moscow.com" ymailto="mailto:Vision2020@moscow.com">Vision2020@moscow.com</a><br>=======================================================<br><br></div> </div></body></html>