The North Star, Polaris, is acting a little strange lately, and scientists are scratching their heads about it. Normally, it’s a pretty stable star that’s been our guiding light for centuries, but recent observations show it’s dimming and brightening in unexpected ways. This could mean something big is happening inside the star, like changes in its core or fusion process. It’s a big deal because Polaris has been a key reference point for navigation and astronomy for ages. Studying its weird behavior might teach us more about how stars like it evolve. It’s like the North Star is trying to tell us a cosmic secret! Credit:
Carved Box: Farm, CC BY-SA 2.5 https://creativecommons.org/licenses/by-sa/2.5/, https://commons.wikimedia.org/wiki/File:Carved_Box_with_Figure_Design.jpg?uselang=ru
CC BY-SA 3.0 https://creativecommons.org/licenses/by-sa/3.0/:
Till Credner:
UrsaMinor, https://commons.wikimedia.org/wiki/File:UrsaMinorCC.jpg
LyraCC, https://commons.wikimedia.org/wiki/File:LyraCC.jpg
CC BY 4.0 https://creativecommons.org/licenses/by/4.0/:
Star Life Cycle Chart: R.N. Bailey, https://commons.wikimedia.org/wiki/File:Star_Life_Cycle_Chart.jpg
Diagram of the life of Sun-like stars: ESO/S. Steinhöfel, https://commons.wikimedia.org/wiki/File:Diagram_of_the_life_of_Sun-like_stars.jpg
Ishtar gate: Radomir Vrbovsky, CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/, https://commons.wikimedia.org/wiki/File:Ishtar_gate_in_Pergamon_museum_in_Berlin..jpg
NASA, ESA, and the Hubble Heritage Team (STScI/AURA)-Hubble/Europe Collaboration; Acknowledgment: H. Bond (STScI and Penn State University)
NASA/ESA/HST, G. Bacon (STScI)
NASA/HST
NASA/Goddard Space Flight Center
NASA, Mysid
NASA/JPL-Caltech/University of Arizona
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