GCSE Physics Revision "Red-Shift" (Triple)

Find your 9s with PLUS. Click the link to try for free https://www.freesciencelessons.co.uk/plus Teachers, to get PLUS for your school, email [email protected] In this video, we look at what is meant by red-shift and how this supports the Big Bang theory. We then look at how the expansion of the universe is accelerating. This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Physics. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks. Image credits: https://creativecommons.org/licenses/by/2.0/uk/ Ernest Rutherford https://commons.wikimedia.org/wiki/File:Ernest_Rutherford_(Nobel).jpg Ernest Marsden S P Andrew Ltd (1921) https://commons.wikimedia.org/wiki/File:Ernest_Marsden_1921.jpg Milky way Steve Jurvetson https://commons.wikimedia.org/w/index.php?curid=23906915 Hooker telescope "http://www.andrewdunnphoto.com/ https://commons.wikimedia.org/w/index.php?curid=291495" Red shift spectra (cropped and original) Georg Wiora https://commons.wikimedia.org/w/index.php?curid=12881381 Earth NASA / Apollo 17 https://commons.wikimedia.org/wiki/File%3AThe_Earth_seen_from_Apollo_17.jpg M81 Ken Crawford https://commons.wikimedia.org/wiki/File%3AM81.jpg Andromeda Adam Evans https://commons.wikimedia.org/w/index.php?curid=12654493 Hoag's Objects NASA and The Hubble Heritage Team (STScI/AURA); Acknowledgment: Ray A. Lucas (STScI/AURA) https://commons.wikimedia.org/w/index.php?curid=610534 SN1994D NASA/ESA, The Hubble Key Project Team and The High-Z Supernova Search Team https://commons.wikimedia.org/w/index.php?curid=407520 Music credit: Deliberate Thought by Kevin MacLeod is licensed under a Creative Commons Attribution licence (https://creativecommons.org/licenses/by/4.0/) Source: http://incompetech.com/music/royalty-free/?keywords=deliberate+thought Artist: http://incompetech.com/