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NASA's Hubble traces dark matter in dwarf galaxies using stellar motions
![The left image is from the Digitized Sky Survey (DSS) showing a wider view of the region. The two right-side images are from Hubble. Credits: NASA, ESA, Eduardo Vitral, Roeland van der Marel, Sangmo Tony Sohn (STScI), DSS. Image processing: Joseph DePasquale (STScI) The left image is from the Digitized Sky Survey (DSS) showing a wider view of the region. The two right-side images are from Hubble. Credits: NASA, ESA, Eduardo Vitral, Roeland van der Marel, Sangmo Tony Sohn (STScI), DSS. Image processing: Joseph DePasquale (STScI)](/images/hubble-dracodwarf-darkmatter-annotated-stsci-01j01t760tzq2tcweb5ey1gg6j.jpg#joomlaImage://local-images/hubble-dracodwarf-darkmatter-annotated-stsci-01j01t760tzq2tcweb5ey1gg6j.jpg)
The cosmos, with its celestial wonders, continues to captivate humanity. Dark matter, an invisible force shaping the universe, remains an enigma. A team of astronomers used NASA's Hubble Space Telescope and supercomputer models to study dark matter in the Draco dwarf galaxy, and they found that its distribution challenges prevailing theoretical models.
The quest to understand the elusive nature of dark matter has been a scientific odyssey, fraught with paradoxes and contradictions. While prevailing theoretical models suggest that dark matter should aggregate in the heart of galaxies, observations have often hinted at a more diffuse distribution, challenging our fundamental understanding of this ethereal substance. To unravel this conundrum, the team measured the dynamic motions of stars within the Draco dwarf galaxy over 18 years, utilizing the capabilities of the Hubble Space Telescope and supercomputer models.
Their findings align with current cosmological models and provide insights beyond the Draco dwarf galaxy. The team's work represents a testament to the enduring legacy of the Hubble Space Telescope.
Looking ahead, the horizon beckons with the promise of new revelations and the allure of uncharted territories, igniting the spirit of curiosity and discovery that fuels our quest to comprehend the universe’s most profound enigma.
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