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New 3D Map of the Closest Brown Dwarfs to our Sun

A group of volunteers and professional scientists have created a new 3D map of where the closest brown dwarfs to our sun are located. This is actually the most complete map ever created of brown dwarfs in our solar system’s “neighborhood”.
Brown dwarfs are objects that are too big to be classified as planets and too small to be categorized as stars. Since they are so faint and somewhat small in size, they are pretty hard to find so the experts needed as much help as they could get in order to find them. The volunteer “citizen scientists” and professional scientists were part of a NASA-funded project named “Backyard Worlds: Planet 9” where they found and mapped out hundreds of brown dwarfs that are all within 65 light-years away from our sun (approximately 400 trillion miles) and their distances were confirmed by NASA’s Spitzer Space Telescope. ....

Aaron Meisner , J Davy Kirkpatrick , California Institute Of Technology , National Science Foundation Noirlab , Analysis Center , Infrared Processing , California Institute , National Science Foundation , Webb Space Telescope , Astrophysical Journal Supplement , ஆரோன் மேய்ஸ்னெர் , ஜு டேவி கர்க்‌ப்யாட்ரிக் , கலிஃபோர்னியா நிறுவனம் ஆஃப் தொழில்நுட்பம் , பகுப்பாய்வு மையம் , அகச்சிவப்பு ப்ரோஸெஸிஂக் , கலிஃபோர்னியா நிறுவனம் , தேசிய அறிவியல் அடித்தளம் , வலை இடம் தொலைநோக்கி , வானியற்பியல் இதழ் துணை ,

Scientists create 'most complete' three-dimensional map of brown dwarfs around the Sun

Story highlights
Brown dwarfs are bigger than Jupiter-sized planets but too small for nuclear fusion, the signature process that gives a star its shine
Members of the NASA-funded Backyard Worlds: Planet 9 have created the most complete three-dimensional map of 525 brown dwarfs around the Sun.
The 3D map encompasses a radius of 65 light-years, or about 400 trillion miles, with “close neighbours” inhabiting space within about 35 light-years, or 200 trillion miles.
To achieve this feat, scientists tapped into the worldwide network of 150,000 volunteers. The study has been published in the journals Nature and the Astrophysical Journal Letters.
“Without the citizen scientists, we couldn t have created such a complete sample in so short a time,” said J. Davy Kirkpatrick, a scientist at Caltech/IPAC in Pasadena and lead author of the study. “Having the power of thousands of inquiring eyes on the data enabled us to find brown dwarf candidates much f ....

Aaron Meisner , J Davy Kirkpatrick , National Science Foundation Noirlab , Backyard Worlds , Astrophysical Journal , National Science Foundation , Dwarf Planet , 3d Map , Backyard Worlds Planet 9 , Science News , Wionews Com , ஆரோன் மேய்ஸ்னெர் , ஜு டேவி கர்க்‌ப்யாட்ரிக் , கொல்லைப்புறம் உலகங்கள் , வானியற்பியல் இதழ் , தேசிய அறிவியல் அடித்தளம் , குள்ள கிரகம் , அறிவியல் செய்தி ,

Mapping our sun's backyard

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VIDEO: CosmoView Episode 20 for press release noirlab2015: Mapping Our Sun s Backyard
Music: zero-project - The Lower Dungeons (zero-project.gr)
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Credit: KPNO/NOIRLab/NSF/AURA/P. Marenfeld, International Gemini Observatory/Jacqueline Faherty (American Museum of Natural History)/OpenSpace/Lynette Cook
Astronomers have curated the most complete list of nearby brown dwarfs to date thanks to discoveries made by thousands of volunteers participating in the Backyard Worlds citizen science project. The list and 3D map of 525 brown dwarfs including 38 reported for the first time incorporate observations from a host of astronomical instruments including several NOIRLab facilities. The results confirm that the Sun s neighborhood appears surprisingly diverse relative to other parts of the Milky Way Galaxy. ....

New York , United States , University Of California Los Angeles , Mauna Kea , Stanford University , Kitt Peak National Observatory , San Diego , California Institute Of Technology , Milky Way , Magallanesy Antaica Chilena , American Museum Of Natural History , South Korea , J Davy Kirkpatrick , Cerro Pach , Verac Rubin , Jonathan Gagn , Samuelj Goodman , Adamc Schneider , Sarahe Logsdon , Aaron Meisner , Istituto Nazionale , Iolkam Duag Kitt , Marcj Kuchner , Amanda Kocz , Charlesa Elachi , Nicholasu Mayall ,