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.
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, [ Ссылка ]
▶ Edward Emerson Barnard Portrait: By The original uploader was SITCK at Luxembourgish Wikipedia. - Transferred from lb.wikipedia to Commons., Public Domain, [ Ссылка ]
▶ Barnard’s Star size comparison: By Marskell, Poppy, User:Richard-59 - Based on Image: Barnard'sStarSize fr.jpg, CC BY-SA 3.0, [ Ссылка ]
▶ Barnard’s Star Movement: By Steve Quirk - [ Ссылка ], Public Domain, [ Ссылка ]
▶ Sun’s Closest Stars: By NASA/Penn State University - [ Ссылка ] (image link), Public Domain, [ Ссылка ]
▶ Super-Earth b orbiting Barnard’s Star: By ESO / M. Kornmesser - [ Ссылка ], CC BY 4.0, [ Ссылка ]
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