Binary and Multiple Stars: Crash Course Astronomy #34
Double stars are stars that appear to be near each other in the sky, but if they’re gravitationally bound together we call them binary stars. Many stars are actually part of binary or multiple systems. If they are close enough together they can actually touch other, merging into one peanut-shaped star. In some close binaries matter can flow from one star to the other, changing the way it ages. If one star is a white dwarf, this can cause periodic explosions, and possibly even lead to blowing up the entire star.
Crash Course Astronomy Poster: http://store.dftba.com/products/crashcourse-astronomy-poster
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Table of Contents
What are binary stars? 0:51
Merging peanut-shaped stars 6:52
Close binaries begin to flow into one another, sometimes blowing up the star 8:29
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PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Follow Phil on Twitter: https://twitter.com/badastronomer
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PHOTOS/VIDEOS
Big Dipper http://www.deepskycolors.com/archive/2011/05/14/The-Big-Dipper.html [credit: Rogelio Bernal Andreo]
Sirius https://www.spacetelescope.org/images/heic0516a/ [credit: NASA, ESA, H. Bond (STScI), and M. Barstow (University of Leicester)]
Sirius A and B http://chandra.harvard.edu/photo/2000/0065/index.html [credit: NASA/SAO/CXC]
Clashing Winds (video) http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11680 [credit: NASA's Goddard Space Flight Center]
The Radial Velocity Method (artist’s impression) http://www.eso.org/public/images/eso0722e/ [credit: ESO]
Mizar+Alcor https://commons.wikimedia.org/wiki/File:Thomas_Bresson_-_Mizar%2Balcor_(by).jpg [credit: Wikimedia Commons, Thomas Bresson]
Polaris http://imgsrc.hubblesite.org/hu/db/images/hs-2006-02-e-print.jpg [credit: NASA, ESA, and G. Bacon]
Does the Sun Have Long Lost Siblings? https://www.youtube.com/watch?v=IaWg2ACMspk [credit: SciShow Space]
Clashing Winds (image) http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11680 [credit: NASA/C. Reed X-ray images courtesy of NASA/GSFC/S. Immler]
Artist’s impression of the pulsar PSR J0348+0432 and its white dwarf companion http://www.eso.org/public/images/eso1319c/ [credit: ESO/L. Calçada]
Artist’s impression of eclipsing binary http://www.eso.org/public/videos/eso1311b/ [credit: ESO/L. Calçada]
Artist’s impression of the yellow hypergiant star HR 5171 http://www.eso.org/public/images/eso1409b/ [credit: ESO]
Nova http://www.nasa.gov/centers/goddard/news/topstory/2008/keck_ophiuchi_prt.htm [credit: NASA, Casey Reed]
Artist's impression of RS Ophiuchi http://www.jodrellbank.manchester.ac.uk/news/2006/rsoph-radio/ [credit: David A. Hardy/http://www.astroart.org & PPARC]
An artist's impression of Sirius A and B http://www.spacetelescope.org/images/heic0516b/ [credit: NASA, ESA and G. Bacon (STScI)]
Artist's impression of vampire star http://www.spacetelescope.org/videos/astro_bn/ [credit: ESO/M. Kornmesser]
Type Ia supernova http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10532 [credit: Walt Feimer, NASA/Goddard Space Flight Center]
Видео Binary and Multiple Stars: Crash Course Astronomy #34 канала CrashCourse
Crash Course Astronomy Poster: http://store.dftba.com/products/crashcourse-astronomy-poster
--
Table of Contents
What are binary stars? 0:51
Merging peanut-shaped stars 6:52
Close binaries begin to flow into one another, sometimes blowing up the star 8:29
--
PBS Digital Studios: http://youtube.com/pbsdigitalstudios
Follow Phil on Twitter: https://twitter.com/badastronomer
Want to find Crash Course elsewhere on the internet?
Facebook - http://www.facebook.com/YouTubeCrashCourse
Twitter - http://www.twitter.com/TheCrashCourse
Tumblr - http://thecrashcourse.tumblr.com
Support CrashCourse on Patreon: http://www.patreon.com/crashcourse
--
PHOTOS/VIDEOS
Big Dipper http://www.deepskycolors.com/archive/2011/05/14/The-Big-Dipper.html [credit: Rogelio Bernal Andreo]
Sirius https://www.spacetelescope.org/images/heic0516a/ [credit: NASA, ESA, H. Bond (STScI), and M. Barstow (University of Leicester)]
Sirius A and B http://chandra.harvard.edu/photo/2000/0065/index.html [credit: NASA/SAO/CXC]
Clashing Winds (video) http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11680 [credit: NASA's Goddard Space Flight Center]
The Radial Velocity Method (artist’s impression) http://www.eso.org/public/images/eso0722e/ [credit: ESO]
Mizar+Alcor https://commons.wikimedia.org/wiki/File:Thomas_Bresson_-_Mizar%2Balcor_(by).jpg [credit: Wikimedia Commons, Thomas Bresson]
Polaris http://imgsrc.hubblesite.org/hu/db/images/hs-2006-02-e-print.jpg [credit: NASA, ESA, and G. Bacon]
Does the Sun Have Long Lost Siblings? https://www.youtube.com/watch?v=IaWg2ACMspk [credit: SciShow Space]
Clashing Winds (image) http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11680 [credit: NASA/C. Reed X-ray images courtesy of NASA/GSFC/S. Immler]
Artist’s impression of the pulsar PSR J0348+0432 and its white dwarf companion http://www.eso.org/public/images/eso1319c/ [credit: ESO/L. Calçada]
Artist’s impression of eclipsing binary http://www.eso.org/public/videos/eso1311b/ [credit: ESO/L. Calçada]
Artist’s impression of the yellow hypergiant star HR 5171 http://www.eso.org/public/images/eso1409b/ [credit: ESO]
Nova http://www.nasa.gov/centers/goddard/news/topstory/2008/keck_ophiuchi_prt.htm [credit: NASA, Casey Reed]
Artist's impression of RS Ophiuchi http://www.jodrellbank.manchester.ac.uk/news/2006/rsoph-radio/ [credit: David A. Hardy/http://www.astroart.org & PPARC]
An artist's impression of Sirius A and B http://www.spacetelescope.org/images/heic0516b/ [credit: NASA, ESA and G. Bacon (STScI)]
Artist's impression of vampire star http://www.spacetelescope.org/videos/astro_bn/ [credit: ESO/M. Kornmesser]
Type Ia supernova http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10532 [credit: Walt Feimer, NASA/Goddard Space Flight Center]
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