Palomar 6: Globular Star Cluster : Where Did This Big Ball Of Stars Come From? Palomar 6 Is One Of About

Palomar 6: Globular Star Cluster : Where did this big ball of stars come from? Palomar 6 is one of about 200 globular clusters of stars that survive in our Milky Way Galaxy. These spherical star-balls are older than our Sun as well as older than most stars that orbit in our galaxy’s disk. Palomar 6 itself is estimated to be about 12.5 billion years old, so old that it is close to – and so constrains – the age of the entire universe. Containing about 500,000 stars, Palomar 6 lies about 25,000 light years away, but not very far from our galaxy’s center. At that distance, this sharp image from the Hubble Space Telescope spans about 15 light-years. After much study including images from Hubble, a leading origin hypothesis is that Palomar 6 was created – and survives today – in the central bulge of stars that surround the Milky Way’s center, not in the distant galactic halo where most other globular clusters are now found. via NASA

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jimmycuadx

4 years ago

Hi, how are you? friend

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jimmycuadx

3 years ago

Interesting:

A Phoenix Aurora over Iceland : All of the other aurora watchers had gone home. By 3:30 am in Iceland, on a quiet September night, much of that night’s auroras had died down. Suddenly, unexpectedly, a new burst of particles streamed down from space, lighting up the Earth’s atmosphere once again. This time, surprisingly, pareidoliacally, the night lit up with an amazing shape reminiscent of a giant phoenix. With camera equipment at the ready, two quick sky images were taken, followed immediately by a third of the land. The mountain in the background is Helgafell, while the small foreground river is called KaldÃ¡, both located about 30 kilometers north of Iceland’s capital ReykjavÃk. Seasoned skywatchers will note that just above the mountain, toward the left, is the constellation of Orion, while the Pleiades star cluster is also visible just above the frame center. The 2016 aurora, which lasted only a minute and was soon gone forever – would possibly be dismissed as an fanciful fable – were it not captured in the featured, digitally-composed, image mosaic. via NASA

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jimmycuadx

4 years ago