Dark Matter and Dark Energy The Frontier of Astronomy

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=thxknsmN9yk

For a while now, we've been discussing all of things we know about the universe. What about some of the things we don't know? If we look to the current frontier of astronomy, we find two mystifying concepts, dark matter and dark energy. What are these things? How do we know they exist? Do we have any guesses as to what they are? Find out here! • Watch the whole Astronomy/Astrophysics playlist: http://bit.ly/ProfDaveAstronomy • Classical Physics Tutorials: http://bit.ly/ProfDavePhysics1 • Modern Physics Tutorials: http://bit.ly/ProfDavePhysics2 • Mathematics Tutorials: http://bit.ly/ProfDaveMaths • General Chemistry Tutorials: http://bit.ly/ProfDaveGenChem • Organic Chemistry Tutorials: http://bit.ly/ProfDaveOrgChem • Biochemistry Tutorials: http://bit.ly/ProfDaveBiochem • Biology Tutorials: http://bit.ly/ProfDaveBio • EMAIL► [email protected] • PATREON► / professordaveexplains • Check out Is This Wi-Fi Organic? , my book on disarming pseudoscience! • Amazon: https://amzn.to/2HtNpVH • Bookshop: https://bit.ly/39cKADM • Barnes and Noble: https://bit.ly/3pUjmrn • Book Depository: http://bit.ly/3aOVDlT

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