Youtor
Star Magnitude Brightness Explained
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=JIXFXGiDa4Y
A basic stargazing principle is that of stellar magnitude. Learn how astronomers classify stars based upon their brightness and explore a brief history of how this system came to be. • Chapters: • 0:00 - Intro • 1:26 - Brief History of Star Magnitude • 4:07 - Apparent versus Absolute Magnitude • 6:11 - Examples Star Magnitude • 8:41 - Limitations of the Magnitude System • 9:54 - How far the Hubble SpaceTelescope see? • Links and Resources mentioned in this video • â–¶ Ursa Major Constellation: https://bit.ly/LearntheSky-UrsaMajorC... • â–¶ Polaris North Star: http://bit.ly/LearntheSky-PolarisNort... • â–¶ Canis Major Constellation: http://bit.ly/LearntheSky-CanisMajorC... • â–¶ Lyra Constellation: http://bit.ly/LearntheSky-LyraHarpCon... • Check it Out • â–¶ Download FREE Stargazing Guide: https://www.learnthesky.com/stargazin... • Playlists • â–¶ Stargazing Basics: http://bit.ly/LearntheSky-StargazingB... • â–¶ Zodiacal Constellations: http://bit.ly/LearntheSky-ZodiacalCon... • â–¶ Circumpolar Constellations: http://bit.ly/LearntheSky-Circumpolar • â–¶ Winter Constellations: http://bit.ly/LearntheSky-WinterConst... • â–¶ Spring Constellations: http://bit.ly/LearntheSky-SpringConst... • â–¶ Summer Constellations: http://bit.ly/LearntheSky-SummerConst... • â–¶ Autumn Constellations: http://bit.ly/LearntheSky-AutumnConst... • â–¶ Stars: http://bit.ly/LearntheSky-Stars • â–¶ Planets: http://bit.ly/LearntheSky-Planets • â–¶ Celestial Objects: http://bit.ly/LearntheSky-CelestialOb... • â–¶ Versus Videos: http://bit.ly/LearntheSky-VersusVideos • â–¶ Celestial Events: http://bit.ly/LearntheSky-CelestialEv... • â–¶ Citizen Science: http://bit.ly/LearntheSky-CitizenScience • Photo Attributions • â–¶Hipparchus: By Raphael - Marie-Lan Nguyen, Public Domain, https://commons.wikimedia.org/w/index... • â–¶Ptolemy: By User: Stahlkocher - Own work, Public Domain, https://commons.wikimedia.org/w/index... • â–¶Galileo: By Justus Sustermans - http://www.nmm.ac.uk/mag/pages/mnuExp... by â–¶Adrian Pingstone in December 2003, Public Domain, https://commons.wikimedia.org/w/index... • â–¶Norman Robert Pogson: By Unknown - Popular Astronomy 1913, Public Domain, https://commons.wikimedia.org/w/index... • â–¶Hubble Deep Field: By NASA, ESA, S. Beckwith (STScI) and the HUDF Team - http://hubblesite.org/newscenter/arch... bright galaxy is UDF 423 with an apparent magnitude of 20., Public Domain, https://commons.wikimedia.org/w/index... • Support this Channel • â–¶ Online Classes: https://www.learnthesky.com/store • Never Miss a Video • â–¶ Subscribe to my Channel: https://www.youtube.com/c/learnthesky... • Connect • â–¶ Website: https://www.learnthesky.com/ • â–¶ Instagram: / learnthesky • â–¶ Facebook: / learnthesky ​ • â–¶ Business Enquiries: [email protected] • #learnthesky #stargazing #constellations #stars #keeplookingup
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