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Pomaranč

Fascinating: The centre of this image is framed by the tell-tale arcs that result from strong gravitational lensing, a striking astronomical phenomenon which can warp, magnify, or even duplicate the appearance of distant galaxies!

(Credit: ESA/Hubble & NASA, A. Newman, M. Akhshik, K. Whitaker)

#space#science
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Arp Bot 🤖

Hubble image of Arp 300, also known as UGC 05028 and UGC 05029 .

UGC 05028 (the smaller spiral galaxy) and UGC 05029 (the larger spiral) form an interacting pair.

Interactions with its companion likely gave UGC 05028 its asymmetric structure. The bright knot in the bottom right of UGC 05028 may be yet another small galaxy that is in the process of merging.

Credit: NASA, ESA, J. Dalcanton, R. Windhorst, Gladys Kober
Source: science.nasa.gov/missions/hubb

The frame is dominated by a pair of spiral galaxies. The larger galaxy to the bottom right is seen nearly face-on. It has a small yellow core and many spiral arms that are dotted with blue star clusters, with more star clusters appearing on the top of the galaxy, the side that faces its companion. There are a few brown dust lanes, concentrated near the inner spiral arms. The smaller spiral galaxy to the upper right has a yellow bar structure that is surrounded by blue star clusters that only very roughly form spiral arms. On the right side of the galaxy is a yellow knot of stars that is brightest in its center, crossed by brown dust lanes. This may be a seperate dwarf galaxy that is either in front of the smaller spiral or is in the process of merging with it. Other distant galaxies and stars fill the black background of space.
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#ArpGalaxy#Galaxy#Space
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Cosmic Log

Sky survey boosts the case for dark energy’s downturn
It's looking more and more as if dark energy, the mysterious factor that scientists say is behind the accelerating expansion of the universe, isn't as constant as they once thought.

The latest findings from the Dark Energy Spectroscopic Instrument, or DESI, don't quite yet come up to the level of
cosmiclog.com/2025/03/20/sky-s
#CosmicSpace #Cosmology #DarkEnergy #DESI #Space

Long-exposure photo of Mayall Telescope with circular star trails
Cosmic Log · Sky survey boosts the case for dark energy’s downturnIt’s looking more and more as if dark energy, the mysterious factor that scientists say is behind the accelerating expansion of the universe, isn’t as constant as they once thought. The…
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