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: http://www.squarespace.com/crashcourse
Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crashcourse-astronomy-poster
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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: http://youtube.com/pbsdigitalstudios
Follow Phil on Twitter: https://twitter.com/badastronomer
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PHOTO/VIDEO CREDITS
Sun: http://www.nasa.gov/sites/default/files/706436main_20121114-304-193blend_m6-orig_full.jpg [credit: NASA/ESA]
Jupiter: http://www.jpl.nasa.gov/images/hubble/20140515/jupiter20140515-full.jpg [credit: NASA/ESA]
Geocentric celestial spheres; Peter Apian’s Cosmographia (Antwerp, 1539): http://en.wikipedia.org/wiki/Celestial_spheres#mediaviewer/File:Ptolemaicsystem-small.png
Ganymede: http://en.wikipedia.org/wiki/File:Noaa_ganymede.jpg
Mercury: http://messenger.jhuapl.edu/gallery/sciencePhotos/pics/CW0131775256F_web.png [credit: NASA/Johns Hopkins University Applied Physics Laboratory/Carnegie Institution of Washington]
Understanding Solar System Dynamics: Orbits and Kepler’s Laws (2008): https://archive.org/details/OrbitsAndKeplersLaws
Mercury: http://apod.nasa.gov/apod/ap080116.html
Venus: http://www.msss.com/all_projects/magellan.php
Earth: http://earthobservatory.nasa.gov/IOTD/view.php?id=36019
Mars: http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-mars.html
Jupiter: http://www.nasa.gov/mission_pages/cassini/multimedia/pia04866.html
Saturn: http://www.slate.com/content/dam/slate/blogs/bad_astronomy/2014/06/Ten%20Years%20at%20Saturn/cassini_ugarkovic_saturn.jpg.CROP.original-original.jpg [credit: Photo by NASA/JPL/Space Science Institute/Gordan Ugarkovic]
Uranus: http://hubblesite.org/newscenter/archive/releases/1998/35/image/a/
Neptune: http://www.slate.com/blogs/bad_astronomy/2014/05/15/neptune_voyager_images_updated_for_portrait_of_the_eighth_planet.html
http://www.nasa.gov/sites/default/files/hs-2014-29-a-large_web.jpg [credit: JHUAPL/SwRI/Dan Durda]
Bennu’s Journey: http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=20220&button=recent
http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11541
Artist’s impression of a protoplanetary disk: http://en.wikipedia.org/wiki/Protoplanetary_disk#mediaviewer/File:Artist%E2%80%99s_Impression_of_a_Baby_Star_Still_Surrounded_by_a_Protoplanetary_Disc.jpg
Rocky Ring of Debris Around Vega: http://www.nasa.gov/mission_pages/spitzer/multimedia/pia16610.html [image credit: NASA/JPL-Caltech]
Proplyds in the Orion Nebula: http://www.esa.int/Our_Activities/Space_Science/Born_in_beauty_proplyds_in_the_Orion_Nebula
source
simple planet definition…if it orbits a star it's a moon.
I l love you Crash course!!
Someone explain to me about Jupiter ? I assume the gravity in the solar system came from Jupiter’s core
A planet is just a body in space that is round, revolves around a star and clears its orbit.
I need to ask a question, if the Earth was made from star stuff, how the heck were plants and animals made? How did humans not die out from their stupidity? How was water made? 🤔 🤔 ❓
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!
i just love astonomy
AUSTRALIA IS NOT A CONTINENT WTF??? i mean I'm not surprised you're from the us and y'all there don't know geography so
Years of school and crash course has taught me in days
SJC WHOOO
who else is alive
My old history teacher said he knew the crash course guy in high school not the guy in this video but the history guy
Isn’t a planet something that clears its own orbit? Meaning no other objects travels in its path around the sun?
i like it it is nice course
I say a planet has a minimum size of mercury and orbits a star. a moon has enough gravity to be a circle but orbits a planet. a dwarf planet has enough gravity to be a circle but isn't big enough to be a planet
Who else is here in quarantine getting this assigned by your science teacher?
does anyone have the answers to these statments?
1-The Solar System is the ________ and all the objects orbiting around it due to its force of __________.
2-The Solar System formed about 4.6 billion ________ ago.
3-The mass of the ________ is over 98% of the total mass of the Solar System.
4-There are 8 planets. In order from the Sun they are: _________, Venus, _________, Mars, ___________, Saturn, ___________ and Neptune.
5-In between Mars and Jupiter is the ___________ belt.
6-Some planets have _________ orbiting around them
please i really need it
Except planet IS defined and there are no exceptions to that rule. Why aren't you explaining that actual definition that is used nowadays? I get that might be a little advanced for this episode. But please don't substitute that by giving a dishonest explanation about the suposed lack of a clear definition.
The debug code cuz i can
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Ya I'm not the only humans that got this assigned this in science
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: 🌞
If Jupiter is eleven times wider than the earth, wouldn't it be 1331 times larger in volume?
8:56
……….. I don’t know how to tell you that Australia is not a continent
Smh
koiper belt" -phil plat
Love it
cool I have the exact same lego set!
Jen West
2 weeks ago
Who else is here in quarantine getting this assigned by ur science teacher? This is from Jen West, True as hell though.
"A LOT OF ENERGY!" hahahahaha cracked me up
This guy said spoiler alert when discussing the creation of the sun. I'm mad, i haven't watched the series yet 🙁
0:24
1:43
1:43
2:15
2:45
4:14
4:46
6:00
6:30
6:55
7:57
Can you be my science teacher??
I learned more in this series than 5 years of school
Who else is here cuz this was sent by your teacher??
Who else is here in quarantine getting this assigned by ur science teacher?
I liked the way he said Copernicus
Why is it that being 'cooler' meant that the gas giants were able to hold onto hydrogen and helium, in the way the rockier planets couldn't? Thank you.
Finally we discovered that we are originated from dust as the religion says .
Planets of the solar system: Mary's Virgin Explanation Made Joseph Suspect Upstairs Neighbour
"We are quite literally star stuff"
Really? Stars stuff humans?!?
Size
3:46 EXCEPTION
7:04 I'm off the deep end, watch as I dive in I'll never leave the ground…
You evolved from a rock; I was created by a supreme being.
Enterprise E =D
I knew I couldn't be the only person to look for the formal definition of a planet when first asked about classifying Pluto. Upon learning that there was, at that time, no formal definition of a planet, I held no opinion on the status of Pluto. Until such a definition was created, no meaningful conclusion can be reached.
A bit too much use of the word perhaps, if you later say it's all suppose to be just facts…
Why Greenland is not a continent?
Nothing is true about dolar system….there are no ice planets, no gas plsnets rock planets …no planets, no solar systems.
The other which is the invisible ones, God live in, is very different from the sky objects, the stars,the sun and the moon.
Gas planets , ice planets…..????hahahahaha????
Thanks for entertaining us.
Learned more from your channels than 6 years of highschool