cosmology and astronomy khanacademy 5/5 (1)

Cosmology and Astronomy - Khan Academy FREE

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updated 11/07/2015

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Videos attempting to grasp a little bit about our Universe (many of the topics associated with "Big History")

Lessons
1) Scale of Earth and Sun Scale of Earth and Sun More free lessons at: http://www.khanacademy.org/video?v=GZx3U 448 views watch video
2) Scale of Solar System Scale of Solar System More free lessons at: http://www.khanacademy.org/video?v=GP53b 440 views watch video
3) Scale of Distance to Closest Stars Scale of Distance to Closest Stars More free lessons at: http://www.khanacademy.org/video?v=jEeJk 447 views watch video
4) Scale of the Galaxy Scale of the Galaxy More free lessons at: http://www.khanacademy.org/video?v=rcLnM 524 views watch video
5) Intergalactic Scale Intergalactic Scale More free lessons at: http://www.khanacademy.org/video?v=JiE_k 457 views watch video
6) Hubble Image of Galaxies Hubble Image of Galaxies More free lessons at: http://www.khanacademy.org/video?v=Wl4re 494 views watch video
7) Big Bang Introduction 393 views watch video
8) Radius of Observable Universe Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=6nVys 502 views watch video
9) (Correction) Radius of Observable Universe (Correction) Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=b6VQv 470 views watch video
10) Red Shift Red Shift More free lessons at: http://www.khanacademy.org/video?v=mx2M_ 517 views watch video
11) Cosmic Background Radiation Cosmic Background Radiation More free lessons at: http://www.khanacademy.org/video?v=sxbPw 441 views watch video
12) Cosmic Background Radiation 2 Cosmic Background Radiation 2 - Redshift of the Cosmic Background Radiation More free lessons at: http://www.khanacademy.org/video?v=06z7Q 408 views watch video
13) Cosmological Time Scale 1 Cosmological Time Scale 1 More free lessons at: http://www.khanacademy.org/video?v=DRtLX 464 views watch video
14) Cosmological Time Scale 2 Cosmological Time Scale 2 More free lessons at: http://www.khanacademy.org/video?v=LO7-3 471 views watch video
15) Four Fundamental Forces Gravity, Weak, Electromagnetic and Strong More free lessons at: http://www.khanacademy.org/video?v=FEF6P 494 views watch video
16) Birth of Stars Birth of Stars More free lessons at: http://www.khanacademy.org/video?v=i-NNW 414 views watch video
17) Becoming a Red Giant Becoming a Red Giant More free lessons at: http://www.khanacademy.org/video?v=kJSOq 501 views watch video
18) White and Black Dwarfs White and Black Dwarfs More free lessons at: http://www.khanacademy.org/video?v=EdYyu 487 views watch video
19) A Universe Smaller than the Observable A Universe Smaller than the Observable More free lessons at: http://www.khanacademy.org/video?v=0w9R_ 422 views watch video
20) Star Field and Nebula Images Star Field and Nebula Images More free lessons at: http://www.khanacademy.org/video?v=w3IKE 437 views watch video
21) Parallax in Observing Stars Parallax in Observing Stars More free lessons at: http://www.khanacademy.org/video?v=ETzUp 487 views watch video
22) Stellar Parallax Another version of the stellar parallax introduction More free lessons at: http://www.khanacademy.org/video?v=omvNI 476 views watch video
23) Stellar Distance Using Parallax Stellar Distance Using Parallax More free lessons at: http://www.khanacademy.org/video?v=lVadj 447 views watch video
24) Stellar Parallax Clarification Stellar Parallax Clarification More free lessons at: http://www.khanacademy.org/video?v=6FP-h 420 views watch video
25) Parsec Definition Parsec Definition More free lessons at: http://www.khanacademy.org/video?v=6zV3J 542 views watch video
26) Hubble's Law Hubble's Law More free lessons at: http://www.khanacademy.org/video?v=1V9wV 542 views watch video
27) Lifecycle of Massive Stars Lifecycle of Massive Stars More free lessons at: http://www.khanacademy.org/video?v=UhIwM 445 views watch video
28) Supernova (Supernovae) Supernova (Supernovae) More free lessons at: http://www.khanacademy.org/video?v=qOwCp 482 views watch video
29) Supernova clarification Supernova clarification More free lessons at: http://www.khanacademy.org/video?v=QMv4k 453 views watch video
30) Black Holes Black Holes More free lessons at: http://www.khanacademy.org/video?v=JoL2p 412 views watch video
31) Cepheid Variables 1 Cepheid Variables 1 More free lessons at: http://www.khanacademy.org/video?v=BWs-O 462 views watch video
32) Why Cepheids Pulsate Why Cepheids Pulsate More free lessons at: http://www.khanacademy.org/video?v=X_3QA 558 views watch video
33) Why Gravity Gets So Strong Near Dense Objects Why Gravity Gets So Strong Near Dense Objects More free lessons at: http://www.khanacademy.org/video?v=RpOHZ 418 views watch video
34) Supermassive Black Holes Supermassive Black Holes More free lessons at: http://www.khanacademy.org/video?v=DxkkA 470 views watch video
35) Quasars Quasars More free lessons at: http://www.khanacademy.org/video?v=4LmIy 418 views watch video
36) Quasar Correction Quasar Correction More free lessons at: http://www.khanacademy.org/video?v=PX_XS 435 views watch video
37) Galactic Collisions Collision of the Milky Way Galaxy with Andromeda (forming "Milkomeda") More free lessons at: http://www.khanacademy.org/video?v=QXYbG 493 views watch video
38) Earth Formation How the Earth is a the byproduct of a local supernova More free lessons at: http://www.khanacademy.org/video?v=VbNXh 678 views watch video
39) Beginnings of Life Life and photosynthesis start to thrive in the Archean Eon More free lessons at: http://www.khanacademy.org/video?v=nYFux 429 views watch video
40) Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon. Great Oxygenation Event (Oxygen Catastrophe) More free lessons at: http://www.khanacademy.org/video?v=E1P79 478 views watch video
41) Biodiversity Flourishes in Phanerozoic Eon Cambrian explosion and biodiversity in the Phanerozoic Eon More free lessons at: http://www.khanacademy.org/video?v=MS7x2 515 views watch video
42) First living things on land clarification First living things on land clarification (This video copyrighted under Create Commons Attribution and Share-Alike CC-BY-SA license) More free lessons at: http://www.khanacademy.org/video?v=3gUE_ ... 511 views watch video
43) Plate Tectonics-- Difference between crust and lithosphere Plate Tectonics Introduction and Difference between crust and lithosphere More free lessons at: http://www.khanacademy.org/video?v=f2BWs 464 views watch video
44) Structure of the Earth Structure of the Earth - crust, mantle, core More free lessons at: http://www.khanacademy.org/video?v=4AxZ- 429 views watch video
45) Plate Tectonics -- Evidence of plate movement Plate Tectonics -- Evidence of plate movement More free lessons at: http://www.khanacademy.org/video?v=6EdsB 473 views watch video
46) Plate Tectonics -- Geological Features of Divergent Plate Boundaries Plate Tectonics -- Geological Features of Divergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=FK1s1 429 views watch video
47) Plate Tectonics-- Geological features of Convergent Plate Boundaries Geological features of Convergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=Y0eWn 529 views watch video
48) Plates Moving Due to Convection in Mantle Plates Moving Due to Convection in Mantle More free lessons at: http://www.khanacademy.org/video?v=f8GK2 409 views watch video
49) Hawaiian Islands Formation Hawaiian Islands formed by stationary hot spot under Pacific plate More free lessons at: http://www.khanacademy.org/video?v=D1eib 444 views watch video
50) Compositional and Mechanical Layers of the Earth Crust, mantle, core, lithosphere, asthenosphere, mesosphere, outer core, inner core More free lessons at: http://www.khanacademy.org/video?v=hHteU 451 views watch video
51) Seismic Waves S-waves and P-waves More free lessons at: http://www.khanacademy.org/video?v=NhioA 412 views watch video
52) Why S-Waves Only Travel in Solids Why S-Waves Only Travel in Solids More free lessons at: http://www.khanacademy.org/video?v=BTWLw 449 views watch video
$Refraction of Seismic Waves$ 53) Refraction of Seismic Waves Refraction of Seismic Waves More free lessons at: http://www.khanacademy.org/video?v=UNZ17 426 views watch video
54) The Mohorovicic Seismic Discontinuity The Mohorovicic Seismic Discontinuity- boundary between crust and mantle (or Moho) More free lessons at: http://www.khanacademy.org/video?v=yAQSu 463 views watch video
55) How we know about the Earth's core S-wave shadow and P-wave detection patterns give us information about the core More free lessons at: http://www.khanacademy.org/video?v=KL0i1 413 views watch video
56) Pangaea Pangaea - the idea of Pangaea and some of the evidence behind it More free lessons at: http://www.khanacademy.org/video?v=axB6u 411 views watch video
57) Scale of the Large Attempting to comprehend the scale of the large More free lessons at: http://www.khanacademy.org/video?v=5FEjr 668 views watch video
58) Scale of the Small From honey bees to cells, virus, and atoms -- understanding the scale of the very small More free lessons at: http://www.khanacademy.org/video?v=ERKx3 466 views watch video
59) Detectable Civilizations in our Galaxy 1 A framework for thinking about how many detectable civilizations are out there. More free lessons at: http://www.khanacademy.org/video?v=YYEgq 399 views watch video
60) Detectable Civilizations in our Galaxy 2 Why do we even care about the Drake Equation. Thinking about the fraction of a planet's life when a civilization might be detectable. More free lessons at: http://www.khanacademy.org/video?v=jN03g ... 453 views watch video
61) Detectable Civilizations in our Galaxy 3 Reconciling with the traditional Drake Equation More free lessons at: http://www.khanacademy.org/video?v=LRmwU 414 views watch video
62) Detectable Civilizations in our Galaxy 4 Taking a shot at estimating the number of detectable civilizations More free lessons at: http://www.khanacademy.org/video?v=T5DGZ 414 views watch video
63) Detectable Civilizations in our Galaxy 5 More reasons why we haven't detected anything yet. More free lessons at: http://www.khanacademy.org/video?v=xL9ej 398 views watch video
64) Human Evolution Overview From the extinction of the dinosaurs to humanity More free lessons at: http://www.khanacademy.org/video?v=frE1r 403 views watch video
65) Understanding Calendar Notation Difference between BC, BCE, AD and CE. A little bit about the birth of Jesus as well. More free lessons at: http://www.khanacademy.org/video?v=EKKe7 463 views watch video
66) Correction Calendar Notation Correcting the time difference calculation by taking into account that there is no year 0 More free lessons at: http://www.khanacademy.org/video?v=N06Jy 420 views watch video
67) Development of Agriculture and Writing The Paleolithic and Neolithic eras of the Stone Age. More free lessons at: http://www.khanacademy.org/video?v=iU58A 467 views watch video
68) Introduction to Light Light and electromagnetic radiation More free lessons at: http://www.khanacademy.org/video?v=rLNM8 380 views watch video
69) Seasons Aren't Dictated by Closeness to Sun Why our closeness to the sun does not dictate the seasons More free lessons at: http://www.khanacademy.org/video?v=SJUd5 442 views watch video
70) How Earth's Tilt Causes Seasons How being Earth's tilt causes seasons More free lessons at: http://www.khanacademy.org/video?v=05qDI 541 views watch video
71) Milankovitch Cycles Precession and Obliquity How changes in Earth's rotation can effect Earth's seasons and climate More free lessons at: http://www.khanacademy.org/video?v=ZD8TH 480 views watch video
72) Are Southern Hemisphere Seasons More Severe? Are Southern Hemisphere seasons more severe because of the eccentricity in Earth's orbit? More free lessons at: http://www.khanacademy.org/video?v=umvNQ 399 views watch video
73) Precession Causing Perihelion to Happen Later Clarifying the effect of axial precession on the calendar and the date of perihelion and aphelion More free lessons at: http://www.khanacademy.org/video?v=2o-Se 473 views watch video
74) What Causes Precession and Other Orbital Changes What causes precession and other orbital changes More free lessons at: http://www.khanacademy.org/video?v=nL6LM 585 views watch video
75) Apsidal Precession (Perihelion Precession) and Milankovitch Cycles Apsidal Precession (Perihelion Precession) More free lessons at: http://www.khanacademy.org/video?v=m6lMG 518 views watch video
76) Firestick Farming How the indigenous Australians used fire to change their environment More free lessons at: http://www.khanacademy.org/video?v=mwUya 492 views watch video
77) Carbon 14 Dating 1 Carbon 14 Dating 1 More free lessons at: http://www.khanacademy.org/video?v=8wYvK 386 views watch video
78) Carbon 14 Dating 2 Carbon 14 Dating 2 More free lessons at: http://www.khanacademy.org/video?v=4YUtn 508 views watch video
79) Potassium-Argon (K-Ar) Dating How K-Ar dating can be used to date very old volcanic rock and the things that might be buried in between More free lessons at: http://www.khanacademy.org/video?v=NMZ5k 446 views watch video
80) K-Ar Dating Calculation Working through a calculation for K-Ar dating (good to have some prior experience with e and logarithms) More free lessons at: http://www.khanacademy.org/video?v=iLFcS 460 views watch video
81) Chronometric Revolution Discussion of the relatively recent changes in our ability as a species to shine light on our deep past More free lessons at: http://www.khanacademy.org/video?v=5mNTv 464 views watch video
82) Collective Learning How symbolic language drives collective learning and how this is one of the truly differentiating aspects of human beings relative to the rest of the animal kingdom More free lessons at: http://www.k ... 377 views watch video
83) Land Productivity Limiting Human Population Thinking about how we get Calories from the land limits human population densities More free lessons at: http://www.khanacademy.org/video?v=xM8sz 501 views watch video
84) Energy Inputs for Tilling a Hectare of Land Thinking about energy consumption for tilling land More free lessons at: http://www.khanacademy.org/video?v=5I9dH 382 views watch video
85) Random Predictions for 2060 Sal's random predictions for the year 2060 More free lessons at: http://www.khanacademy.org/video?v=E4rbS 452 views watch video

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Cosmology and Astronomy - Khan Academy FREE

Lessons

Scale of Earth and Sun More free lessons at: http://www.khanacademy.org/video?v=GZx3U

Scale of Solar System More free lessons at: http://www.khanacademy.org/video?v=GP53b

Scale of Distance to Closest Stars More free lessons at: http://www.khanacademy.org/video?v=jEeJk

Scale of the Galaxy More free lessons at: http://www.khanacademy.org/video?v=rcLnM

Intergalactic Scale More free lessons at: http://www.khanacademy.org/video?v=JiE_k

Hubble Image of Galaxies More free lessons at: http://www.khanacademy.org/video?v=Wl4re

Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=6nVys

(Correction) Radius of Observable Universe More free lessons at: http://www.khanacademy.org/video?v=b6VQv

Red Shift More free lessons at: http://www.khanacademy.org/video?v=mx2M_

Cosmic Background Radiation More free lessons at: http://www.khanacademy.org/video?v=sxbPw

Cosmic Background Radiation 2 - Redshift of the Cosmic Background Radiation More free lessons at: http://www.khanacademy.org/video?v=06z7Q

Cosmological Time Scale 1 More free lessons at: http://www.khanacademy.org/video?v=DRtLX

Cosmological Time Scale 2 More free lessons at: http://www.khanacademy.org/video?v=LO7-3

Gravity, Weak, Electromagnetic and Strong More free lessons at: http://www.khanacademy.org/video?v=FEF6P

Birth of Stars More free lessons at: http://www.khanacademy.org/video?v=i-NNW

Becoming a Red Giant More free lessons at: http://www.khanacademy.org/video?v=kJSOq

White and Black Dwarfs More free lessons at: http://www.khanacademy.org/video?v=EdYyu

A Universe Smaller than the Observable More free lessons at: http://www.khanacademy.org/video?v=0w9R_

Star Field and Nebula Images More free lessons at: http://www.khanacademy.org/video?v=w3IKE

Parallax in Observing Stars More free lessons at: http://www.khanacademy.org/video?v=ETzUp

Another version of the stellar parallax introduction More free lessons at: http://www.khanacademy.org/video?v=omvNI

Stellar Distance Using Parallax More free lessons at: http://www.khanacademy.org/video?v=lVadj

Stellar Parallax Clarification More free lessons at: http://www.khanacademy.org/video?v=6FP-h

Parsec Definition More free lessons at: http://www.khanacademy.org/video?v=6zV3J

Hubble's Law More free lessons at: http://www.khanacademy.org/video?v=1V9wV

Lifecycle of Massive Stars More free lessons at: http://www.khanacademy.org/video?v=UhIwM

Supernova (Supernovae) More free lessons at: http://www.khanacademy.org/video?v=qOwCp

Supernova clarification More free lessons at: http://www.khanacademy.org/video?v=QMv4k

Black Holes More free lessons at: http://www.khanacademy.org/video?v=JoL2p

Cepheid Variables 1 More free lessons at: http://www.khanacademy.org/video?v=BWs-O

Why Cepheids Pulsate More free lessons at: http://www.khanacademy.org/video?v=X_3QA

Why Gravity Gets So Strong Near Dense Objects More free lessons at: http://www.khanacademy.org/video?v=RpOHZ

Supermassive Black Holes More free lessons at: http://www.khanacademy.org/video?v=DxkkA

Quasars More free lessons at: http://www.khanacademy.org/video?v=4LmIy

Quasar Correction More free lessons at: http://www.khanacademy.org/video?v=PX_XS

Collision of the Milky Way Galaxy with Andromeda (forming "Milkomeda") More free lessons at: http://www.khanacademy.org/video?v=QXYbG

How the Earth is a the byproduct of a local supernova More free lessons at: http://www.khanacademy.org/video?v=VbNXh

Life and photosynthesis start to thrive in the Archean Eon More free lessons at: http://www.khanacademy.org/video?v=nYFux

Ozone Layer and Eukaryotes Show Up in the Proterozoic Eon. Great Oxygenation Event (Oxygen Catastrophe) More free lessons at: http://www.khanacademy.org/video?v=E1P79

Cambrian explosion and biodiversity in the Phanerozoic Eon More free lessons at: http://www.khanacademy.org/video?v=MS7x2

First living things on land clarification (This video copyrighted under Create Commons Attribution and Share-Alike CC-BY-SA license) More free lessons at: http://www.khanacademy.org/video?v=3gUE_ ...

Plate Tectonics Introduction and Difference between crust and lithosphere More free lessons at: http://www.khanacademy.org/video?v=f2BWs

Structure of the Earth - crust, mantle, core More free lessons at: http://www.khanacademy.org/video?v=4AxZ-

Plate Tectonics -- Evidence of plate movement More free lessons at: http://www.khanacademy.org/video?v=6EdsB

Plate Tectonics -- Geological Features of Divergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=FK1s1

Geological features of Convergent Plate Boundaries More free lessons at: http://www.khanacademy.org/video?v=Y0eWn

Plates Moving Due to Convection in Mantle More free lessons at: http://www.khanacademy.org/video?v=f8GK2

Hawaiian Islands formed by stationary hot spot under Pacific plate More free lessons at: http://www.khanacademy.org/video?v=D1eib

Crust, mantle, core, lithosphere, asthenosphere, mesosphere, outer core, inner core More free lessons at: http://www.khanacademy.org/video?v=hHteU

S-waves and P-waves More free lessons at: http://www.khanacademy.org/video?v=NhioA

Why S-Waves Only Travel in Solids More free lessons at: http://www.khanacademy.org/video?v=BTWLw

Refraction of Seismic Waves More free lessons at: http://www.khanacademy.org/video?v=UNZ17

The Mohorovicic Seismic Discontinuity- boundary between crust and mantle (or Moho) More free lessons at: http://www.khanacademy.org/video?v=yAQSu

S-wave shadow and P-wave detection patterns give us information about the core More free lessons at: http://www.khanacademy.org/video?v=KL0i1

Pangaea - the idea of Pangaea and some of the evidence behind it More free lessons at: http://www.khanacademy.org/video?v=axB6u

Attempting to comprehend the scale of the large More free lessons at: http://www.khanacademy.org/video?v=5FEjr

From honey bees to cells, virus, and atoms -- understanding the scale of the very small More free lessons at: http://www.khanacademy.org/video?v=ERKx3

A framework for thinking about how many detectable civilizations are out there. More free lessons at: http://www.khanacademy.org/video?v=YYEgq

Why do we even care about the Drake Equation. Thinking about the fraction of a planet's life when a civilization might be detectable. More free lessons at: http://www.khanacademy.org/video?v=jN03g ...

Reconciling with the traditional Drake Equation More free lessons at: http://www.khanacademy.org/video?v=LRmwU

Taking a shot at estimating the number of detectable civilizations More free lessons at: http://www.khanacademy.org/video?v=T5DGZ

More reasons why we haven't detected anything yet. More free lessons at: http://www.khanacademy.org/video?v=xL9ej

From the extinction of the dinosaurs to humanity More free lessons at: http://www.khanacademy.org/video?v=frE1r

Difference between BC, BCE, AD and CE. A little bit about the birth of Jesus as well. More free lessons at: http://www.khanacademy.org/video?v=EKKe7

Correcting the time difference calculation by taking into account that there is no year 0 More free lessons at: http://www.khanacademy.org/video?v=N06Jy

The Paleolithic and Neolithic eras of the Stone Age. More free lessons at: http://www.khanacademy.org/video?v=iU58A

Light and electromagnetic radiation More free lessons at: http://www.khanacademy.org/video?v=rLNM8

Why our closeness to the sun does not dictate the seasons More free lessons at: http://www.khanacademy.org/video?v=SJUd5

How being Earth's tilt causes seasons More free lessons at: http://www.khanacademy.org/video?v=05qDI

How changes in Earth's rotation can effect Earth's seasons and climate More free lessons at: http://www.khanacademy.org/video?v=ZD8TH

Are Southern Hemisphere seasons more severe because of the eccentricity in Earth's orbit? More free lessons at: http://www.khanacademy.org/video?v=umvNQ

Clarifying the effect of axial precession on the calendar and the date of perihelion and aphelion More free lessons at: http://www.khanacademy.org/video?v=2o-Se

What causes precession and other orbital changes More free lessons at: http://www.khanacademy.org/video?v=nL6LM