Finding one such alignment is a needle in the haystack.
Finding all of these is like eight needles precisely lined up inside that haystack.
The unique overlay of the Carousel Lens makes it a particularly strong gravitational lens.
A Hubble Space Telescope view of the Carousel Lens.Image: William Sheu/UCLA
The research team also generated a computational model of the lens and calculated the approximate distances of the galaxies.
Thats right: all weve ever observed only accounts for 5% of everything.
But now we have another window into the inner workings of that everything.
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