{"id":768,"date":"2019-02-22T07:45:38","date_gmt":"2019-02-22T07:45:38","guid":{"rendered":"http:\/\/thepoetryofscience.peachpuff-wolverine-566518.hostingersite.com\/?p=768"},"modified":"2019-07-01T07:56:13","modified_gmt":"2019-07-01T07:56:13","slug":"a-river-of-stars","status":"publish","type":"post","link":"https:\/\/scienceblog.com\/thepoetryofscience\/768\/a-river-of-stars\/","title":{"rendered":"A River of Stars"},"content":{"rendered":"

A dynasty of diamonds in the sky,<\/p>\n

You stretch beyond the hemispheres of sight<\/p>\n

Scattering stardust like lavish silt as<\/p>\n

Unseen tidal forces conspire to tear you apart.<\/p>\n

 <\/p>\n

A stellar stream that meanders across space,<\/p>\n

Undulating gently out of reach<\/p>\n

As two parallel lanes of celestial eddies<\/p>\n

That softly lap against the night.<\/p>\n

 <\/p>\n

A confluence of uncontrollable, furious breakers,<\/p>\n

You burn with four thousand suns<\/p>\n

And yet as you pour into the mouth of the galaxy<\/p>\n

Your waters are cold to the touch.<\/p>\n

 <\/p>\n

Made from dust, and to dust you will return,<\/p>\n

Your wavelets start to decompose<\/p>\n

Scattering sediment across the empty void<\/p>\n

From which new life will flow.<\/p>\n

\"\"<\/a>
In this projection of the night sky, the Milky Way curves around the entire image in an arc. The red dots represent the stellar stream discussed in this research, and as can be seen they cover almost the entire southern celestial hemisphere (Image Credit: Astronomy & Astrophysics).<\/figcaption><\/figure>\n

This poem is inspired by recent research<\/a>, which has found a stellar stream of at least 4,000 stars that have been moving together for over a billion years, covering most of the southern celestial hemisphere.<\/p>\n

Within our Galaxy, the Milk Way, stars can sometimes be found gathered together, developing from birth as large clouds of molecular gas to create groups or clusters. However, the massive gravitational forces of the Milky Way constantly pull at these clusters, meaning that they tend to disperse fairly rapidly after birth. However, if the cluster is large enough then they might contain sufficient stellar mass to remain bound together for several hundred million years. Over time these stars create a stellar stream, i.e. a collection of stars that began life as a globular cluster, but which has now been stretched out along its orbit by gravitational forces.<\/p>\n

By carefully studying the Gaia Archive<\/a> (an ESA-funded mission to chart a three-dimensional map of our Galaxy), researchers were able to identify a nearby group of stars as a giant example of one such stellar stream. This particular stellar stream was found to be made up of at least 4,000 stars and is so huge that it stretches across a third of the night sky. The stream\u2019s age is thought to be approximately one billion years old, and its relatively close proximity to the Earth (approximately 300 light years) means that detailed astronomical exploration can take place. Such explorations will provide further insight into star formation as well as providing more information about the gravitational field and mass distribution of the Milky Way.<\/p>\n

An audio version of this poem can be heard here:<\/p>\nhttps:\/\/scienceblog.com\/wp-content\/uploads\/sites\/3\/2019\/02\/A-River-of-Stars.mp3<\/a><\/audio>\n","protected":false},"excerpt":{"rendered":"

A dynasty of diamonds in the sky, You stretch beyond the hemispheres of sight Scattering stardust like lavish silt as Unseen tidal forces conspire to<\/p>\n","protected":false},"author":222,"featured_media":769,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"generate_page_header":"","jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[2,414,397,3,54,159,58],"class_list":["post-768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-science-poems","tag-poetry","tag-poetry-and-science","tag-rivers","tag-science","tag-space","tag-stars","tag-water","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","no-featured-image-padding","resize-featured-image"],"yoast_head":"\nA River of Stars - 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