Binary and Multiple Stars: Crash Course Astronomy #34
1,390,603
Published 2015-10-01
Check out the Crash Course Astronomy solar system poster here: store.dftba.com/products/crash...
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Chapters:
Introduction: Binary & Multiple Stars 00:00
Visual Binary Stars 1:45
Spectroscopic Binaries 3:05
Multiple Star Systems 4:15
Eclipsing Binaries 5:44
Contact Binaries 6:53
Stellar Novae 8:31
Review 10:50
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PHOTOS/VIDEOS
Big Dipper www.deepskycolors.com/archive/2011/05/14/The-Big-D… [credit: Rogelio Bernal Andreo]
Sirius www.spacetelescope.org/images/heic0516a/ [credit: NASA, ESA, H. Bond (STScI), and M. Barstow (University of Leicester)]
Sirius A and B chandra.harvard.edu/photo/2000/0065/index.html [credit: NASA/SAO/CXC]
Clashing Winds (video) svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11680 [credit: NASA's Goddard Space Flight Center]
The Radial Velocity Method (artist’s impression) www.eso.org/public/images/eso0722e/ [credit: ESO]
Mizar+Alcor commons.wikimedia.org/wiki/File:Thomas_Bresson_-_M… [credit: Wikimedia Commons, Thomas Bresson]
Polaris imgsrc.hubblesite.org/hu/db/images/hs-2006-02-e-pr… [credit: NASA, ESA, and G. Bacon]
Does the Sun Have Long Lost Siblings? • Does the Sun Have Long-Lost Siblings? [credit: SciShow Space]
Clashing Winds (image) 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 www.eso.org/public/images/eso1319c/ [credit: ESO/L. Calçada]
Artist’s impression of eclipsing binary www.eso.org/public/videos/eso1311b/ [credit: ESO/L. Calçada]
Artist’s impression of the yellow hypergiant star HR 5171 www.eso.org/public/images/eso1409b/ [credit: ESO]
Nova www.nasa.gov/centers/goddard/news/topstory/2008/ke… [credit: NASA, Casey Reed]
Artist's impression of RS Ophiuchi www.jodrellbank.manchester.ac.uk/news/2006/rsoph-r… [credit: David A. Hardy/www.astroart.org/ & PPARC]
An artist's impression of Sirius A and B www.spacetelescope.org/images/heic0516b/ [credit: NASA, ESA and G. Bacon (STScI)]
Artist's impression of vampire star www.spacetelescope.org/videos/astro_bn/ [credit: ESO/M. Kornmesser]
Type Ia supernova svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10532 [credit: Walt Feimer, NASA/Goddard Space Flight Center]
All Comments (21)
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Every school should show this series to the students, and every science teacher should wear cool shirts like those Phil uses.
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Our sun is social distancing because of its corona.
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I'm going to miss this series when it's inevitably over. It's by far my favorite Crash Course.
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"This makes them very important indeed, as you'll see in a future episode" Oh Phil - you tease, you.
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Our sun: “I like being a bachelor.”
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Kudos to the photographer who took time and went in space to take these amazing pictures
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our Sun is in long distance relationship :P
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7:15 "This can make things really weird for them." I smell a sitcom...
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Imagine living on a planet in the habitable zone in a sextuple star system
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I wish these videos would get MILLIONS of views.
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I love Phil's obvious passion for the subject matter...reminds my of a speeded-up Carl Sagan
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"Used as eyesight test in ancient times" Imagine one of then has better eyesight than the other and both be like "THERE IS A SECOND ONE CANT YOU SEE IT?" -"nah you're just crazy"
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From CCA 31: Outgoing neutrinos slams into the star's outer layers and blows everything outwards, and the star explodes. From CCA 34: Extra gas from a companion star gets dumped onto a white dwarf resulting in carbon fusion, and the star explodes. I'm starting to see a theme here...
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Excuse me while I clean my brains off the wall. My head went supernova
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I just went on a CrashCourse Astronomy binge watch!! Thank you so much for your videos, after the lunar eclipse this past weekend, I was excited to learn more about the sun, the stars, and our universe :) thanks for your hard work on these videos!!
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Probably one of my favorite episodes yet. I've known about multiple star systems, but learning about contact binaries and the stellar novae at the end was really cool!
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Hooray for standard candles!
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Ms. Simon's Earth Science Class (8th-9th grade) This is one of my favorite episodes. It made me think about planets in binary systems. A sky on a planet in a multi-star solar system would be amazing. There would be periods in the year where the other stars were closer and farther away or parts were there was no night because both sides of the globe would be cast in light. If the planets had moons they might have a constant shadow moving on the planet until it got out of that zone; maybe even a couple weeks of solar eclipses over and over again. So many questions! Would some days be longer from the tidal effects of the other stars? How would comets and asteroids react in that system? How drastically would temperatures change on the planet as its star orbited around the others, if they would change that much at all? I love astronomy because there are still so many questions to be asked, and with every question answered ten more take its place. Rochelle Mann 9th grade
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One of the best things about our infinite universe is that there are countless objects for you to make CrashCourse Astronomy videos about. Well done yet again!
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Some day my brother came to me during dinner and he said: Fill plate. Then, as I was talking I found out that we were talking about two different things.
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