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Galaxies, stars and planets

Free Course
Galaxies, stars and planets Copyrighted imageCredit: Used with permission
Introductory Level Duration 8 hours Updated 23 May 2013
This unit is a general introduction to galaxies, stars and planets, including scale of the universe from the very large to the very small; orbits...

The evolving Universe

Free Course
The evolving Universe Copyrighted imageCredit: Used with permission
Introductory Level Duration 12 hours Updated 23 May 2013
The ‘Big Bang’ is said to be the origin of our Universe. This unit will help you to comprehend what happened in the moments immediately...

Motion under gravity

Free Course
Motion under gravity Copyrighted imageCredit: Used with permission
Introductory Level Duration 4 hours Updated 23 May 2013
From the moment that Galileo dropped two cannonballs of different sizes and weights from the top of the Leaning Tower of Pisa mankind has been...