Water Is Detected In A Planet Outside Our Solar System
Credit: Image used with permission of David Aguilar, Harvard-Smithsonian Center for Astrophysics
Chad Bender, a research associate in the Penn State Department of Astronomy and Astrophysics and a co-author of the paper, said “Planets like tau Boötes b, which are as massive as Jupiter but much hotter, do not exist in our solar system. Our detection of water in the atmosphere of tau Boötes b is important because it helps us understand how these exotic hot-Jupiter planets form and evolve. It also demonstrates the effectiveness of our new technique, which detects the infrared radiation in the atmospheres of these planets.”
Scientists previously had detected water vapor on a handful of other planets, using a technique that works only if a planet has an orbit that passes it in front of its star, when viewed from Earth. Scientists also were able to use another imaging technique that works only if the planet is sufficiently far away from its host star. However, significant portions of the population of extrasolar planets do not fit either of these criteria, and there had not been a way to discover information about the atmospheres of these planets.
“We now are applying our effective new infrared technique to several other non-transiting planets orbiting stars near the Sun,” Bender said. “These planets are much closer to us than the nearest transiting planets, but largely have been ignored by astronomers because directly measuring their atmospheres with previously existing techniques was difficult or impossible.” With the new detection technique and more-powerful future telescopes such as the James Webb Space Telescope and the Thirty Meter Telescope, the astronomers expect to be able to examine the atmospheres of planets that are much cooler and more distant from their host stars, where liquid water is even more likely to exist.
Bender is leading a larger project to characterize the atmospheres of many hot-Jupiter extrasolar planets. The tau Boötis discovery is one subcomponent of this larger project. The data analysis and publication of the tau Boötis discovery was led by Alexandra Lockwood at Caltech as part of her thesis with her advisor Geoffrey Blake, Professor of Cosmochemistry and Planetary Sciences and Professor of Chemistry at Caltech, and much of the initial data reduction for this discovery was carried out by Alexander Richert, a Penn State graduate student.
The findings appear in the The Astrophysical Journal Letters in a paper titled “Near-IR Direct Detection of Water Vapor in tau Boötis b.” The coauthors of the paper are at institutions including CalTech, Penn State University, the Naval Research Laboratory, the University of Arizona, and the Harvard-Smithsonian Center for Astrophysics. The work was funded by the National Science Foundation Graduate Research Fellowship Program, the David and Lucile Packard and Alfred P. Sloan foundations, and the Penn State University Center for Exoplanets and Habitable Worlds.
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Barbara K. Kennedy
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I TOLD EVERYONE THAT THERE IS ANOTHER EARTH READY FOR US!
BUT NO ONE LISTENED OF COURSE!
PERHAPS THIS PERSON’S TIME FRUITS OUT MY TRUTH!
HOWEVER ONLY 10% OF THE PLANET WILL GO! FOR SO LITTLE SINNED AND ARE PURE!
Hello.
Search on “Massive-quasar-water-reservoir” and look for a jpeg image of a picture taken by the Hubble Telescope.
Water is all around the universe, distributed by .01 percent of all quasars.
I have looked at literally thousands of Hubble telescope images of the cosmos.
This one is the most amazing of all.
Blue like you cannot imagine.
And water sprouting from the “up and down” side of the image as taken, like a gusher of unimaginable proportions (estimated volume of water visible is 1.7 trillion total earth oceans)!
Water is everywhere in the Universe because of Massive-quasar-water-reservoirs; literally billions of them.
Take a look for yourself.
Enjoy, and be truly amazed.
Indeed I would be surprised if water in all its forms were not found in almost every place possible. It is more likely that we could make a rule that water is everywhere, instead of rare and hard to find.