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Introduction to the Solar System: Crash Course Astronomy #9
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1,981,048 Views • Mar 12, 2015 • Click to toggle off description
In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today.

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

Check out the Crash Course Astronomy solar system poster here: store.dftba.com/products/crash...

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Chapters:
Introduction 00:00
Geocentrism vs Heliocentrism 0:51
Makeup of the Solar System 2:38
Is Pluto a Planet? 3:14
Our Solar System 4:24
How Our Solar System Formed 5:36
Planet Formation Depends on Distance to Sun 7:14
Review 8:57

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PBS Digital Studios: youtube.com/pbsdigitalstudios

Follow Phil on Twitter: twitter.com/badastronomer

Crash Course is on Patreon! You can support us directly by signing up at www.patreon.com/crashcourse

Want to find Crash Course elsewhere on the internet?
Facebook - www.facebook.com/YouTubeCrashCourse
Twitter - www.twitter.com/TheCrashCourse
Instagram - www.instagram.com/thecrashcourse/

CC Kids: youtube.com/crashcoursekids

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PHOTO/VIDEO CREDITS
Sun: www.nasa.gov/sites/default/files/706436main_201211… [credit: NASA/ESA]
Jupiter: www.jpl.nasa.gov/images/hubble/20140515/jupiter201… [credit: NASA/ESA]
Geocentric celestial spheres; Peter Apian's Cosmographia (Antwerp, 1539): en.wikipedia.org/wiki/Celestial_spheres#mediaviewe…
Ganymede: en.wikipedia.org/wiki/File:Noaa_ganymede.jpg
Mercury: messenger.jhuapl.edu/gallery/sciencePhotos/pics/CW… [credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington]
Understanding Solar System Dynamics: Orbits and Kepler's Laws (2008): archive.org/details/OrbitsAndKeplersLaws
Mercury: apod.nasa.gov/apod/ap080116.html
Venus: www.msss.com/all_projects/magellan.php
Earth: earthobservatory.nasa.gov/IOTD/view.php?id=36019
Mars: nssdc.gsfc.nasa.gov/photo_gallery/photogallery-mar…
Jupiter: www.nasa.gov/mission_pages/cassini/multimedia/pia0…
Saturn: www.slate.com/content/dam/slate/blogs/bad_astronom… [credit: Photo by NASA/JPL/Space Science Institute/Gordan Ugarkovic]
Uranus: hubblesite.org/newscenter/archive/releases/1998/35…
Neptune: www.slate.com/blogs/bad_astronomy/2014/05/15/neptu…
www.nasa.gov/sites/default/files/hs-2014-29-a-larg… [credit: JHUAPL/SwRI/Dan Durda]
Bennu’s Journey: svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=20220&bu…
svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11541
Artist's impression of a protoplanetary disk: en.wikipedia.org/wiki/Protoplanetary_disk#mediavie…
Rocky Ring of Debris Around Vega: www.nasa.gov/mission_pages/spitzer/multimedia/pia1… [image credit: NASA/JPL-Caltech]
Proplyds in the Orion Nebula: www.esa.int/Our_Activities/Space_Science/Born_in_b…
Metadata And Engagement

Views : 1,981,048
Genre: Education
Date of upload: Mar 12, 2015 ^^


Rating : 4.746 (1,575/23,206 LTDR)
RYD date created : 2022-04-07T17:23:01.815183Z
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YouTube Comments - 1,060 Comments

Top Comments of this video!! :3

@brandonbuchner1771

7 years ago

I still jaw drop every time I hear "Newton invented calculus." I could barely pass 3 semesters of it with a marginal understanding of what the heck I was looking at, and this dude, more or less on his own, INVENTED MATH! It's absolutely incredible.

203 |

@tabularasa_br

1 year ago

I just loved how he dealt with Pluto with such affection. You can feel the fascination in his eyes, which is something that was transmited to me. Pluto, Ceres, Sedna, you name it: they're all mind-bogling and fascinating!

19 |

@velvetwolf5373

4 years ago

"We are, quite literally, star stuff" I don't know about you but that statement makes me happy.

322 |

@akaikeshi1906

5 years ago

I just love how Crash Course is available to give us so many information in so many different areas of knowledge for free. You're just amazing!

52 |

@Bobobottle2

9 years ago

I loved astronomy before this course, but this is making me love the universe even more!

54 |

@AdvosArt

9 years ago

I learn more from YouTube and the comments in 10 minutes than in 6 years in school

559 |

@ohheyderrkim

9 years ago

this is absolutely beautiful. im so enlightened and intrigued about the creation of our solar system and puting it into the perspective of how every single thing on earth is created from the matter of stars.. my mind is exploding and why the middle planets are so big while the closer planets are so small.. AMAZING!

92 |

@moltengraphics8173

4 years ago

Earth: Hey Sun! Today is Earth Day. The one day they celebrate me! Sun: Wow, good for you (rolls eyes) Earth: You must be jealous, huh? Sun: Nope. Earth: You are! You don’t have a day for yourself, ha! Sun: Hm, I wonder what day it is? Earth: Silly, you forget everything! Today is Sunda- Sun: 🌞

27 |

@BaileeWalsh

9 years ago

I've always considered Pluto a planet, obviously since that's what I was taught when I was in elementary school, but especially because I played Pluto in a play we did about the solar system! :)

60 |

@ScowlieMeerkat

8 years ago

Seriously great point re: defining "planet", Phil. I'd love to read an astronomy article by you: "We've observed things doing some stuff. Who cares how I describe it? The universe is the universe, no matter what I say."

9 |

@caitie8921

8 years ago

I got really emotional when Carl Sagan crawled on your shoulder at 8:57.

11 |

@jenwest5547

4 years ago

Who else is here in quarantine getting this assigned by ur science teacher?

242 |

@OdysseyWorks

9 years ago

Best crash course series ever! I've always wonderd why the planets are spinning in the same direction. And I got the answer to it now thanks to the angular momentum the cloud it was formed from.

13 |

@kristofferwarnberg3797

8 years ago

I almost get tears in my eyes everytime someone says that we are starstuff, the way Phil did at the end. Ah, Carl, you are missed.

69 |

@Raw_steel

9 years ago

This is a great episode that was well written, at least to my taste. Awesome work Phil! I understand more of the underlying factor of why its a pre-planetary disk. But also had a moment of "holy crap this makes so much sense" when you explained how the outer planets are more gaseous. You sir, have my sub. I love all astronomy, keep this series going please!

20 |

@Timocracy

9 years ago

This is awesome. This is how we should be teaching ALL subjects at schools; fundamental knowledge conveyed by a captivating personality. Phil is a prime example of the best mentor anyone can get - a passionate one. Thank you, Phil.

6 |

@pigcatapult

9 years ago

Be humble, for you are made of earth. Be noble, for you are made of stars. -Serbian(?) proverb EDIT: Apparently the source I found attributing this to Serbia may be incorrect?

354 |

@fowlfables

9 years ago

8:56 Yay, tiny Sagan!

147 |

@tammymccaslin4787

4 years ago

“When you see a trend in something, nature is trying to tell you something. “ I love this.

89 |

@jancarlosreymundi-pabon4611

4 years ago

Who else is here cuz this was sent by your teacher??

10 |

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