http://www.nobelprize.org/nobel_prizes/physics/laureates/1978/penzias-lecture.pdf.
Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING! Knowing that the universe is expanding and how quickly its expanding ...
Fundamental research into astronomy, cosmology and particle physics is a luxury that humankind cannot do without. The cultural, technological and scientific ...
This session will be an exploration of the edges of the Universe, and the edges of knowledge. There are things that we cannot in principle observe. Are there ...
The Paleolithic and Neolithic eras of the Stone Age. Created by Sal Khan. Watch the next lesson: ...
Black Holes. Created by Sal Khan. Watch the next lesson: ...
How the Earth is a the byproduct of a local supernova. Created by Sal Khan. Watch the next lesson: ...
How the indigenous Australians used fire to change their environment. Created by Sal Khan. Watch the next lesson: ...
Quasar Correction. Created by Sal Khan. Watch the next lesson: ...
Supernova clarification. Created by Sal Khan. Watch the next lesson: ...
Quasars. Created by Sal Khan. Watch the next lesson: ...
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 ...
Sacred astronomy behind astrology is incredibly important to understand. Our solar system is for a half-billion years, the sun moon and earth vibrate to the ...
Scale of Earth and Sun. Created by Sal Khan. Watch the next lesson: ...
Supernova (Supernovae). Created by Sal Khan. Watch the next lesson: ...
Another version of the stellar parallax introduction. Created by Sal Khan. Watch the next lesson: ...
Intergalactic Scale. Created by Sal Khan. Watch the next lesson: ...
Plate Tectonics Introduction and Difference between crust and lithosphere. Created by Sal Khan. Watch the next lesson: ...
Created by Sal Khan. Watch the next lesson: ...
Becoming a Red Giant. Created by Sal Khan Watch the next lesson: ...
Visit: http://www.uctv.tv/prime/) Berkeley Lab astrophysicists and Nobel laureates, George Smoot and Saul Perlmutter -- joined by Berkeley Lab physicist Eric ...
Parsec Definition. Created by Sal Khan. Watch the next lesson: ...
Collision of the Milky Way Galaxy with Andromeda (forming "Milkomeda"). Created by Sal Khan. Watch the next lesson: ...
Lifecycle of Massive Stars. Created by Sal Khan. Watch the next lesson: ...
Supermassive Black Holes. Created by Sal Khan. Watch the next lesson: ...
130618 - Heidelberg Joint Astronomical Colloquium.
Cepheid Variables 1. Created by Sal Khan. Watch the next lesson: ...
The majority of the universe is made up of a currently mysterious entity that pervades space: dark energy. We don't know exactly what it is, but we do know that ...
Discussion of the relatively recent changes in our ability as a species to shine light on our deep past. Created by Sal Khan. Watch the next lesson: ...
How changes in Earth's rotation can effect Earth's seasons and climate. Created by Sal Khan. Watch the next lesson: ...
Star Field and Nebula Images. Created by Sal Khan. Watch the next lesson: ...
S-waves and P-waves. Created by Sal Khan. Watch the next lesson: ...
Credit to Northwest Creation Network Education of Dr. Danny Faulkner: PhD, Astronomy, Indiana University MA, Astronomy, Indiana University MS, Physics, ...
Cosmic Background Radiation. Created by Sal Khan. Watch the next lesson: ...
Life and photosynthesis start to thrive in the Archean Eon. Created by Sal Khan. Watch the next lesson: ...
Cosmic Background Radiation 2 - Redshift of the Cosmic Background Radiation. Created by Sal Khan. Watch the next lesson: ...
Created by Sal Khan. Watch the next lesson: ...
Are Southern Hemisphere seasons more severe because of the eccentricity in Earth's orbit? Created by Sal Khan. Watch the next lesson: ...