Khan Academy
Hubble Image of Galaxies, Scale of the Universe, Cosmology and Astronomy
Sal gives an example of where the Hubble telescope looks, as well as the level of detail that the camera can see.
Khan Academy
Radius of Observable Universe, Scale of the Universe, Cosmology and Astronomy
The concept of the universe can be incredibly complex on both physical and mathematical levels. Yet Salman Khan can explain concepts that lead to conclusions about the universe's size. He uses intriguing diagrams and presents information...
Curated OER
Galaxies, Part 2 of 3
Part two of this three-part series asks us to think what life would be like if we lived in a binary star system. We are also introduced to black holes and Einstein's theory of relativity. A great clip shown in its three-part entirety or...
Curated OER
Miracle Planet - Snow Ball Earth 1/5
Erratics, or drop-stones, are geographic abnormalities. Large stones that appear in unlikely places point to glacial movement. Lava flow also helps scientists determine timing of multiple Ice Ages. Watch this clip along with the four...
Curated OER
Galaxies, Part 3 of 3
Part three concludes "A Practical Guide to the Universe," completing the description of the Big Bang Theory and what it means. This episode touches on light travel, light speed, and what that means in relation to what we see. While this...
SciShow
Quantum Fishing for the Higgs Boson
The scientific models predicted the Higgs Boson for many years before it was proven. Filmed during the search for the Higgs Boson, the video discusses what it would mean for science if researchers proved it wrong. At the time of this...
Khan Academy
Cosmological Time Scale 1, Scale of the Universe, Cosmology and Astronomy
A scaled timeline highlights periods relevant to us since the Big Bang. Events on the timeline include the formation of Earth, the extinction of dinosaurs, and the emergence of modern humans.
Curated OER
Birth of the Solar System
Where did our sun come from? This clip shows the explosive birth of our sun, solar system, and universe. This is only an introduction to a longer video so it is short and shallow in explanation; however, it does provide a basic...