Barnard's Runaway Star - Fastest Moving Star in the Sky

Описание: The constellation of Ophiuchus, which is represented as a serpent-bearer, contains a fascinating star called Barnard’s Star. It has a magnitude of 9.5 which renders it invisible to the unaided eye. In the past 100 years, scientists have collected fascinating data about this star, and have even discovered evidence of an exoplanet. Barnard’s star is one of the most studied red dwarfs because of its proximity to Earth, and its proper motion is the fastest recorded in the sky.

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Chapters:
0:00 - Subscribe to Learn the Sky
0:38 - Intro to Barnard's Star
1:22 - Properties of Barnard's Star
2:55 - Proper Motion of Barnard's Star
3:28 - Barnard's Star b Planet
4:45 - Fast Facts about Barnard's Star
6:01 - Photo Attributes

Photo Attributes:
▶ Artist’s Conception of a planet orbiting a red dwarf star: By NASA, ESA and G. Bacon (STScI) - Self-made JPEG version of original TIFF image at Hubble website, Public Domain, https://commons.wikimedia.org/w/index...
▶ Edward Emerson Barnard Portrait: By The original uploader was SITCK at Luxembourgish Wikipedia. - Transferred from lb.wikipedia to Commons., Public Domain, https://commons.wikimedia.org/w/index...
▶ Barnard’s Star size comparison: By Marskell, Poppy, User:Richard-59 - Based on Image: Barnard'sStarSize fr.jpg, CC BY-SA 3.0, https://commons.wikimedia.org/w/index...
▶ Barnard’s Star Movement: By Steve Quirk - http://www.hwy.com.au/~sjquirk/images..., Public Domain, https://commons.wikimedia.org/w/index...
▶ Sun’s Closest Stars: By NASA/Penn State University - http://photojournal.jpl.nasa.gov/cata... (image link), Public Domain, https://commons.wikimedia.org/w/index...
▶ Super-Earth b orbiting Barnard’s Star: By ESO / M. Kornmesser - https://www.eso.org/public/images/eso..., CC BY 4.0, https://commons.wikimedia.org/w/index...


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