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Star Clusters

Galaxies interacting gravitationally

[Click on image for high resolution.] Credit: Adam Block, Mt. Lemmon SkyCenter, University of Arizona
interactBright spiral galaxy NGC 3169 appears to be unraveling in this cosmic scene, played out some 70 million light-years away just below bright star Regulus… Continue reading

Merry Yosemite Christmas!

[CLICK ON IMAGE FOR HIGH RESOLUTION / Wally Pacholka / AstroPics.com, TWAN

A starry band of the Milky Way climbs over Yosemite Valley, Sierra Nevada Range, planet Earth.

Jupiter is the brightest celestial beacon on the wintry scene, though. Standing… Continue reading

Stardust memories


Cosmic dust clouds sprawl across a rich field of stars in this sweeping telescopic vista near the northern boundary of Corona Australis, the Southern Crown.

Probably less than 500 light-years away and effectively blocking… Continue reading

The always magnificent Pleiades

Perhaps the most famous star cluster on the sky, the Pleiades can be seen without binoculars from even the depths of a light-polluted city.

Also known as the Seven Sisters and M45, the Pleiades is one of the brightest and… Continue reading

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