Jimmycuadx - Cool Pictures To Share 8
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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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tumblr tuesday: goblins & geologies
Hello to you on this vertically oriented igneous Tuesday. Today, we bring you some of the best rock-related content here on Tumblr. Whether you like your stones small and shiny or huge and hurtling through space, here are some good places to go for your lithic fix. Think of this as a small yet charming troll sharing with you their favorite treasures.
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“Giant woman of the woods,” @honeyhemlocked, lives in a cabin in the woods (yeah, it looks as charming as it sounds). Here’s a selection of some of the stones she’s gathered:
@geologicaltravels shares original photos relating to geology, astronomy, meteorology, and biology—from 40 years of traveling the earth!
Zürich-based artist Alexis Desjardins shares (often hauntingly) serene impressions of places in Europe on @docileeffects, while displaying an impressive rock-to-not-rock ratio:
@thesilicontribesman is a multi-media artist and educator working in the northwest of England who shares images of local lithic materials and the stories they tell:
@mineralsandsomerocks is kind of a pro when it comes to geological matter, having collected stones of some sort since the very beginning:
A self-confessed fan of “museums of bones and stones,” @twofacedgods has formally studied geology and is an aspiring volcanologist, astrobiologist, and space scientist.
Hi there! 14/09/2020
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Gemini s Meteors : Taken over the course of an hour shortly after local midnight on December 13, 35 exposures were used to create this postcard from Earth. The composited night scene spans dark skies above the snowy Italian Dolomites during our fair planet’s annual Geminid meteor shower. Sirius, alpha star of Canis Major and the brightest star in the night, is grazed by a meteor streak on the right. The Praesepe star cluster, also known as M44 or the Beehive cluster, itself contains about a thousand stars but appears as a smudge of light far above the southern alpine peaks near the top. The shower’s radiant is off the top of the frame though, near Castor and Pollux the twin stars of Gemini. The radiant effect is due to perspective as the parallel meteor tracks appear to converge in the distance. As Earth sweeps through the dust trail of asteroid 3200 Phaethon, the dust that creates Gemini’s meteors enters Earth’s atmosphere traveling at about 22 kilometers per second. via NASA
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