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Get 50% off your first month of KiwiCo at https://www.kiwico.com/primalspace with code PRIMALSPACE Have you ever wondered how the James Webb Telescope could take a photo that's 13 billion years old? Or how light can reveal secrets from billions of years ago? In this video, I'm exploring the fascinating concept of the Doppler effect as it applies to light, known as redshift. By understanding redshift, scientists can peer almost 13.6 billion years into the past, observing the universe when it was just 2% of its current age. I'll also be giving away an awesome Space Shuttle Lego set, so be sure to stick around until the end of the video to learn more about how you can win! Enter to win at the link below. https://primalnebula.com/giveaway/ Short on time? Feel free to skip ahead in this video using the chapter links below. 00:00 What is the Doppler Effect? 00:58 James Webb 13 Billion-Year-Old Photo 01:52 Why do Galaxies Change Color? 02:30 Doppler vs. Cosmological Redshift 04:42 Where Does the Universe Expand From? 07:12 How James Webb Measures Time Thanks for watching this Primal Space video. If you enjoyed it, let me know in the comments below and don't forget to subscribe so you can see more videos like this! Support Primal Space by becoming a Patron! https://www.patreon.com/primalspace Twitter: https://twitter.com/thePrimalSpace References: https://primalnebula.com/james-webb-discovers-most-distant-galaxy-ever/ Written and edited by Ewan Cunningham (https://www.instagram.com/ewan_cee/) Narrated by: Beau Stucki Doppler Effect video courtesy Harvard Natural Sciences Lecture Demonstrations Music used in this video: Gentle Heroics - Trevor Kowals Sprightly Pursuit - Cooper Cannell Double You - The Mini Vandals Inspiring Cinematic Asia - Lexin Music Cosmic Groove - Cooper Cannell Flight - Johannes Bornlof #Nasa #JamesWebb #JamesWebbSpaceTelescope