Quick hit from the Open University today that looks at the concept of Dark Energy. Dark Energy is that mysterious force that somehow works to keep the universe together, even as it continually expands. Learn how Albert Einstein first proposed such an idea, was proven incorrect by Edward Hubble, then proven right again in the 1990s.
All videos are owned by their respective YouTube channels and users and are embedded here for your benefit to use in class in compliance with the appropriate copyright provisions.
This video from Minute Physics gives a brief overview of how the tides and tidal forces work in relation to the Earth and the moon, as well as how the gravitational forces affect both.
All videos are owned by their respective YouTube channels and users and are embedded here for your benefit to use in class in compliance with the appropriate copyright provisions.
Today’s video gives a thorough, but fast explanation of the forces that help keep the orbits of the planets stable — making sure that they don’t either fly off into space or fall into the sun.
All videos are owned by their respective YouTube channels and users and are embedded here for your benefit to use in class in compliance with the appropriate copyright provisions.
Learn the difference between centrifugal and centripetal forces and the misconceptions about each in today’s video.
All videos are owned by their respective YouTube channels and users and are embedded here for your benefit and use in class in compliance with the appropriate copyright provisions.
NJBiblio 