The Sun 
The Sun
by Crash Course
Video Lecture 10 of 47
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Views: 1,106
Date Added: August 11, 2016

Lecture Description

Phil takes us for a closer (eye safe!) look at the two-octillion ton star that rules our solar system. We look at the sun's core, plasma, magnetic fields, sunspots, solar flares, coronal mass ejections, and what all of that means for our planet.

This episode is sponsored by Squarespace: www.squarespace.com/crashcourse

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The Sun is a Star 1:28
Plasma's Magnetic Fields 6:11
Sunspots, Solar Flares, and Coronal Mass Ejections 7:09
How the Earth Reacts 9:18

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PHOTO/VIDEO CREDITS
Hubble extrasolar planet search field in Sagittarius: www.spacetelescope.org/images/heic0612d/ [credit: NASA, ESA, K. Sahu (STScI) and the SWEEPS science team]
The Sun: www.nasa.gov/sites/default/files/images/499558main_hmi4096.jpg [credit: SDO/HMI]
The Sun: d1jqu7g1y74ds1.cloudfront.net/wp-content/uploads/2011/02/SDO_4096_0171.jpg [credit: NASA/SDO/AIA]
Earth: www.nasa.gov/content/goddard/earth-from-space-15-amazing-things-in-15-years/#.VMvNXmTF_Z0 [credit: NASA's Earth Observatory]
Fusion in the Sun: commons.wikimedia.org/wiki/File:FusionintheSun.svg [credit: Borb]
Empire State Building: de.wikipedia.org/wiki/Empire_State_Building#mediaviewer/File:Empire_State_Building_from_the_Top_of_the_Rock.jpg
Sun Structure: www.flickr.com/photos/[email protected]/2819311727/
Photospheric granulation: solarscience.msfc.nasa.gov/images/granules.jpg
Corona: philhart.smugmug.com/Sun/Queensland-Solar-Eclipse/i-qjqMzzK [credit: Phil Hart]
"Magnet0873" by Newton Henry Black - Newton Henry Black, Harvey N. Davis (1913) Practical Physics, The MacMillan Co., USA, p. 242, fig. 200. Licensed under Public Domain via Wikimedia Commons - commons.wikimedia.org/wiki/File:Magnet0873.png#mediaviewer/File:Magnet0873.png
Strange Days On The Sun: svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11682 [credit: NASA's Goddard Space Flight Center Images courtesy of NASA/SDO]
Under the Sunspots: svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=20070 [credit: NASA/Goddard Space Flight Center Conceptual Image Lab]
Raining Loops: svs.gsfc.nasa.gov/vis/a010000/a011100/a011168/Raining_Loops_Still_2.jpg [credit: NASA's Goddard Space Flight Center/SDO]
Coronal Mass Ejection: www.youtube.com/watch?v=p_xYcMQe5KA [credit: NASA]
Aurora: www.youtube.com/watch?v=X-BicSV9RAw
Soloar Close-ups: svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=4061 [credit: NASA]

Course Index

Course Description

In this Crash Course series, marvel at the wonders of astronomy with your host for this intergalactic adventure, the Bad Astronomer himself -- Phil Plait. In just 40 short lessons, you will learn the basics of the oldest science known to humanity.

Be sure to check out links to relevant Photos in the description for each video.

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