{"id":43632,"date":"2022-07-12T12:22:56","date_gmt":"2022-07-12T19:22:56","guid":{"rendered":"https:\/\/www.orderlyrandomness.com\/blog\/?p=43632"},"modified":"2022-07-14T10:14:46","modified_gmt":"2022-07-14T17:14:46","slug":"theyre-here","status":"publish","type":"post","link":"https:\/\/www.orderlyrandomness.com\/blog\/2022\/07\/12\/theyre-here\/","title":{"rendered":"they’re here!"},"content":{"rendered":"\n
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Finally, the photos from the James Webb telescope<\/a>.<\/p>\n\n\n\n

This first one was posted here yesterday, under a comment, but here it is again. SMACS0732:<\/p>\n\n\n\n

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Known as Webb\u2019s First Deep Field, this image of galaxy cluster SMACS 0723 is overflowing with detail. Thousands of galaxies \u2013 including the faintest objects ever observed in the infrared \u2013 have appeared in Webb\u2019s view for the first time. This slice of the vast universe covers a patch of sky approximately the size of a grain of sand held at arm\u2019s length by someone on the ground.<\/figcaption><\/figure>\n\n\n\n

The Carina Nebula:<\/p>\n\n\n\n

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This landscape of \u201cmountains\u201d and \u201cvalleys\u201d speckled with glittering stars is actually the edge of a nearby, young, star-forming region called NGC 3324 in the Carina Nebula. Captured in infrared light by NASA\u2019s new James Webb Space Telescope, this image reveals for the first time previously invisible areas of star birth.
Called the Cosmic Cliffs, Webb\u2019s seemingly three-dimensional picture looks like craggy mountains on a moonlit evening. In reality, it is the edge of the giant, gaseous cavity within NGC 3324, and the tallest \u201cpeaks\u201d in this image are about 7 light-years high. The cavernous area has been carved from the nebula by the intense ultraviolet radiation and stellar winds from extremely massive, hot, young stars located in the center of the bubble, above the area shown in this image.<\/figcaption><\/figure>\n\n\n\n

Stephan’s Quintet. Stunning!!!!<\/p>\n\n\n\n

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Stephan\u2019s Quintet, a visual grouping of five galaxies, is best known for being prominently featured in the holiday classic film, \u201cIt\u2019s a Wonderful Life.\u201d Today, NASA\u2019s James Webb Space Telescope reveals Stephan\u2019s Quintet in a new light. This enormous mosaic is Webb\u2019s largest image to date, covering about one-fifth of the Moon\u2019s diameter. It contains over 150 million pixels and is constructed from almost 1,000 separate image files. The information from Webb provides new insights into how galactic interactions may have driven galaxy evolution in the early universe.
With its powerful, infrared vision and extremely high spatial resolution, Webb shows never-before-seen details in this galaxy group. Sparkling clusters of millions of young stars and starburst regions of fresh star birth grace the image. Sweeping tails of gas, dust and stars are being pulled from several of the galaxies due to gravitational interactions. Most dramatically, Webb captures huge shock waves as one of the galaxies, NGC 7318B, smashes through the cluster.<\/figcaption><\/figure>\n\n\n\n

The Southern Ring Nebula:<\/p>\n\n\n\n

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This side-by-side comparison shows observations of the Southern Ring Nebula in near-infrared light, at left, and mid-infrared light, at right, from NASA\u2019s Webb Telescope. This scene was created by a white dwarf star \u2013 the remains of a star like our Sun after it shed its outer layers and stopped burning fuel though nuclear fusion. Those outer layers now form the ejected shells all along this view. In the Near-Infrared Camera (NIRCam) image, the white dwarf appears to the lower left of the bright, central star, partially hidden by a diffraction spike. The same star appears \u2013 but brighter, larger, and redder \u2013 in the Mid-Infrared Instrument (MIRI) image. This white dwarf star is cloaked in thick layers of dust, which make it appear larger. The brighter star in both images hasn\u2019t yet shed its layers. It closely orbits the dimmer white dwarf, helping to distribute what it\u2019s ejected. Over thousands of years and before it became a white dwarf, the star periodically ejected mass \u2013 the visible shells of material. As if on repeat, it contracted, heated up \u2013 and then, unable to push out more material, pulsated. Stellar material was sent in all directions \u2013 like a rotating sprinkler \u2013 and provided the ingredients for this asymmetrical landscape. Today, the white dwarf is heating up the gas in the inner regions \u2013 which appear blue at left and red at right. Both stars are lighting up the outer regions, shown in orange and blue, respectively. The images look very different because NIRCam and MIRI collect different wavelengths of light. NIRCam observes near-infrared light, which is closer to the visible wavelengths our eyes detect. MIRI goes farther into the infrared, picking up mid-infrared wavelengths. The second star more clearly appears in the MIRI image, because this instrument can see the gleaming dust around it, bringing it more clearly into view. <\/figcaption><\/figure>\n\n\n\n

And this, the signature of water on WASP-96 b. Just amazing!<\/p>\n\n\n\n

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NASA\u2019s James Webb Space Telescope has captured the distinct signature of water, along with evidence for clouds and haze, in the atmosphere surrounding a hot, puffy gas giant planet orbiting a distant Sun-like star.The observation, which reveals the presence of specific gas molecules based on tiny decreases in the brightness of precise colors of light, is the most detailed of its kind to date, demonstrating Webb\u2019s unprecedented ability to analyze atmospheres hundreds of light-years away.
While the Hubble Space Telescope has analyzed numerous exoplanet atmospheres over the past two decades, capturing the first clear detection of water in 2013, Webb\u2019s immediate and more detailed observation marks a giant leap forward in the quest to characterize potentially habitable planets beyond Earth.<\/figcaption><\/figure>\n\n\n\n

All of the above was excerpted from NASA’s website page of “First Images of the James Webb Telescope<\/a>,” where you get can more detailed information on the photos above (and larger pictures).<\/p>\n\n\n\n

They did not disappoint!<\/p>\n\n\n\n

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Thank you for reading today's post. \r\nHave an InterStellar Day! ~PrP <\/p><\/div>","protected":false},"excerpt":{"rendered":"

Finally, the photos from the James Webb telescope. This first one was posted here yesterday, under a comment, but here it is again. SMACS0732: The Carina Nebula: Stephan’s Quintet. Stunning!!!! The Southern Ring Nebula: And this, the signature of water … Continue reading →<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56,18],"tags":[1928,1932,203,1927,1930,1929,1926,1931],"class_list":["post-43632","post","type-post","status-publish","format-standard","hentry","category-space","category-technology","tag-carina-nebula","tag-exoplanets","tag-nasa","tag-smacs-0723","tag-southern-ring-nebula","tag-stephans-quintet","tag-the-james-webb-telescope","tag-wasp-96-b"],"_links":{"self":[{"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/posts\/43632","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/comments?post=43632"}],"version-history":[{"count":0,"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/posts\/43632\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/media?parent=43632"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/categories?post=43632"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.orderlyrandomness.com\/blog\/wp-json\/wp\/v2\/tags?post=43632"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}