The Sun 
The Sun
by Crash Course
Video Lecture 10 of 47
Not yet rated
Views: 1,381
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:


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


PBS Digital Studios:

Follow Phil on Twitter:

Want to find Crash Course elsewhere on the internet?
Facebook -
Twitter -
Tumblr -
Support CrashCourse on Patreon:


Hubble extrasolar planet search field in Sagittarius: [credit: NASA, ESA, K. Sahu (STScI) and the SWEEPS science team]
The Sun: [credit: SDO/HMI]
The Sun: [credit: NASA/SDO/AIA]
Earth: [credit: NASA's Earth Observatory]
Fusion in the Sun: [credit: Borb]
Empire State Building:
Sun Structure:[email protected]/2819311727/
Photospheric granulation:
Corona: [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 -
Strange Days On The Sun: [credit: NASA's Goddard Space Flight Center Images courtesy of NASA/SDO]
Under the Sunspots: [credit: NASA/Goddard Space Flight Center Conceptual Image Lab]
Raining Loops: [credit: NASA's Goddard Space Flight Center/SDO]
Coronal Mass Ejection: [credit: NASA]
Soloar Close-ups: [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.


There are no comments. Be the first to post one.
  Post comment as a guest user.
Click to login or register:
Your name:
Your email:
(will not appear)
Your comment:
(max. 1000 characters)
Are you human? (Sorry)