Stream Red Giant Star 74 Draconis Pulsation by NASA
Por um escritor misterioso
Last updated 18 fevereiro 2025
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://i1.sndcdn.com/artworks-5QWxErnFvZIdA2cB-HqsQNQ-t500x500.jpg)
Listen to the rhythms of the pulsating red giant star called 74 Draconis based on brightness measurements from NASA’s Transiting Exoplanet Survey Satellite. Just below the surfaces of these stars, hot gas rises, cools, and then sinks, where it heats up again, much like a pan of boiling water on a hot stove. This motion produces waves of changing pressure – sound waves. The interaction of these waves results in orderly motion called standing waves that create measurable changes in the star’s brightness. Larger stars produce longer oscillations and thus have deeper tones. To produce audible tones, astronomers multiplied its oscillation frequency by 3 million times. (Credit: NASA/MIT/TESS and Ethan Kruse (USRA), M. Hon et al., 2021)
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://www.eoportal.org/ftp/satellite-missions/t/TESS_200622/TESS_Auto25.jpeg)
TESS (Transiting Exoplanet Survey Satellite) - eoPortal
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://i1.sndcdn.com/avatars-000526999164-hztlgk-large.jpg)
Stream Red Giant Star 74 Draconis Pulsation by NASA
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://i1.sndcdn.com/avatars-sJUhE2qoCsE0JeIK-WeX8YA-t240x240.jpg)
Stream Red Giant Star 74 Draconis Pulsation by NASA
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://i.ytimg.com/vi/qb407nehKWc/maxresdefault.jpg)
The Red Giant Stars
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://image.slidesharecdn.com/s41586-023-06029-0-230628180301-2d1a19aa/85/a-closein-giant-planet-escapes-engulfment-by-its-star-2-320.jpg?cb=1687975705)
A close-in giant planet escapes engulfment by its star
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://www.eoportal.org/ftp/satellite-missions/t/TESS_200622/TESS_Auto1C.jpeg)
TESS (Transiting Exoplanet Survey Satellite) - eoPortal
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://image.slidesharecdn.com/s41586-023-06029-0-230628180301-2d1a19aa/85/a-closein-giant-planet-escapes-engulfment-by-its-star-1-320.jpg?cb=1687975705)
A close-in giant planet escapes engulfment by its star
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://0.academia-photos.com/attachment_thumbnails/37450256/mini_magick20190302-15612-q2qxke.png?1551521406)
PDF) Novae Taxonomy Baron Uphoff
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://www.constellation-guide.com/wp-content/uploads/2015/03/Hyades.webp)
Caldwell Catalogue: 109 Easy Targets for Amateur Telescopes
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://i1.sndcdn.com/artworks-zJiLbyzlDyZVzd0E-Jzn8BQ-t500x500.jpg)
Stream Red Giant Star Edasich Pulsations by NASA
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://i1.sndcdn.com/artworks-000499077159-9xzpk4-t240x240.jpg)
Stream Red Giant Star Edasich Pulsations by NASA
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://www.researchgate.net/publication/281227495/figure/tbl2/AS:614130251747330@1523431470103/SWS-Sample-of-K-and-M-Stars.png)
SWS Sample of K and M Stars
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://img.yumpu.com/6429520/1/500x640/ii-highlights.jpg)
II. Highlights
![Stream Red Giant Star 74 Draconis Pulsation by NASA](https://image.slidesharecdn.com/s41586-023-06029-0-230628180301-2d1a19aa/85/a-closein-giant-planet-escapes-engulfment-by-its-star-3-320.jpg?cb=1687975705)
A close-in giant planet escapes engulfment by its star
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