Windy City of Lights

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c12.335,0,22.334,9.999,22.334,22.334C469.335,270.666,459.336,280.665,447.001,280.665z"/> </g> </g> </svg> </a> </div> <div class = "container container-mobile-fluid"> <div class = "row"> <div class = "col-xs-12"> <h1 class = "detail-header">Windy City of Lights</h1> </div> </div> <div class = "row"> <div class = "col-lg-8 col-md-8 col-sm-8 col-xs-12 col-md-right-space col-md-bottom-space"> <div class = "panel image-viewer-panel"> <div class = "panel-image"> <a href = "https://eoimages.gsfc.nasa.gov/images/imagerecords/153000/153622/iss070e105097_lrg.jpg" target = "_blank"><img src = "https://eoimages.gsfc.nasa.gov/images/imagerecords/153000/153622/iss070e105097.jpg" alt = "March 1, 2024" /></a> </div> <div class = "panel-footer"> <p class = "first">March 1, 2024<a href = "https://eoimages.gsfc.nasa.gov/images/imagerecords/153000/153622/iss070e105097_lrg.jpg" target = "_blank" class = "download-btn download-btn-first no-underline pull-right hvr-rectangle-out">JPEG</a></p> <div class = "clearfix"></div> </div> </div> <p>At night, the Windy City transforms into a city of lights, illuminated by the orange and white hues of the Chicago Metropolitan Area. In this nighttime photo, taken by an astronaut aboard the International Space Station, light-yellow lights illuminate the city’s densely populated downtown area.<p> <p>The Chicago Harbor and <a href="https://webapps1.chicago.gov/landmarksweb/web/landmarkdetails.htm?lanId=1377">Navy Pier</a> in downtown Chicago extend into Lake Michigan. Warm-hued lights illuminate sprawling roadways like Interstate 90, which stands out as the wide, orange line. The <a href="https://doi.org/10.1146/annurev-environ-112420-014438">range of colors</a> in nighttime cityscapes worldwide, including Chicago, is often due to the types of lighting used. High-pressure sodium lighting has a much warmer tone than the cooler, blue-to-green-hued light-emitting diodes (LEDs).<p> <p>Flowing through the city, the Chicago River appears as a slender strip of darkness, running nearly parallel to interstates 55 and 90. The <a href="https://dnr.illinois.gov/content/dam/soi/en/web/dnr/publications/documents/00000190.pdf">Chicago River</a> connects Lake Michigan barge traffic to neighboring rivers, such as the Des Plaines River, through tributaries and various canal systems. The <a href="https://www.lakecountyil.gov/2376/Des-Plaines-River-Watershed">Des Plaines River</a> appears as a dark feature between the metropolitan area and Chicago O’Hare International Airport. This river is lined with nature preserves, golf courses, and parks, all of which appear dark in this nighttime image. In urban landscapes, city lights outline dark and open areas like the Rosehill Cemetery and Big Marsh Park.<p> <p>As Chicago expanded in the late 1800s, the city needed a solution to simplify navigation. The city was reorganized into a <a href="https://chicagostudies.uchicago.edu/grid">grid layout</a>, restructuring street names, address numbers, and blocks into north-south and east-west orientations. This grid pattern is made obvious by the nighttime lights of the urban area. The warm-toned lights associated with residential areas contrast with the predominantly white lighting of commercial, industrial, and transportation areas. These land uses typically line highways and are spread across the outskirts of the Chicago area.<p> <p><i>Astronaut photograph <a href="https://eol.jsc.nasa.gov/SearchPhotos/photo.pl?mission=ISS070&roll=E&frame=105097">ISS070-E-105097</a> was acquired on March 1, 2024, with a Nikon D5 digital camera using a focal length of 400 millimeters. It is provided by the ISS Crew Earth Observations Facility and the Earth Science and Remote Sensing Unit, Johnson Space Center. The image was taken by a member of the <a href="https://www.nasa.gov/mission/expedition-70/">Expedition 70 crew</a>. The image has been cropped and enhanced to improve contrast, and lens artifacts have been removed. The <a href="https://www.nasa.gov/international-space-station/">International Space Station Program</a> supports the laboratory as part of the <a href="https://www.nasa.gov/international-space-station/space-station-research-and-technology/iss-national-laboratory/">ISS National Lab</a> to help astronauts take pictures of Earth that will be of the greatest value to scientists and the public, and to make those images freely available on the Internet. Additional images taken by astronauts and cosmonauts can be viewed at the NASA/JSC <a href="https://eol.jsc.nasa.gov/">Gateway to Astronaut Photography of Earth</a>. Caption by Sara Schmidt, GeoControl Systems, JETS II Contract at NASA-JSC.</i></p> </div> <div class = "col-lg-4 col-md-4 col-sm-4 col-xs-12"> <div class = "panel panel-default hidden-xs"> <div class = "panel-body"> <div class = "panel-map"> <a href = "/map#6/41.865948191542/-87.654508331118" id = "pointer" title = "pointer" alt = "pointer" class = "no-underline panel-map-pinpoint" style="top: 28.592957259484px; left: 91.768147029129px;"><?xml version="1.0" encoding="utf-8"?>  <svg version="1.1" id="Layer_1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" x="0px" y="0px" viewBox="0 0 98.2 98.2" style="enable-background:new 0 0 98.2 98.2;" xml:space="preserve"> <style type="text/css"> .st0{fill:#F05223;cursor:default;} </style> <circle class="st0" cx="49" cy="49.1" r="49"/> </svg> </a> <img src = "/img/detailMap.jpg" id = "map" class = "panel-map-detailmap" alt = "Location" onclick="location.href='/map#6/41.865948191542/-87.654508331118'" /> </div> <div 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Images of the Day:</strong></p> <div class = "col-md-12 col-sm-12 col-xs-12"> <div class = "row"> <div class = "col-md-6 col-sm-6 col-xs-6"> <div class = "panel-image"><a href = "/images/153608/global-freshwater-abruptly-declines"><img src = "https://eoimages.gsfc.nasa.gov/images/imagerecords/153000/153608/waterstorage_grc_2023_th.jpg" alt = "Global Freshwater Abruptly Declines" /></a></div> <div class = "thumbnail-date pull-left">Nov 23, 2024</div> </div> </div> </div> </div> </div> <div class = "panel-body panel-body-mobile visible-xs"></div> <a href = "javascript:void(0)" title = "down arrow" alt = "down arrow" class = "visible-xs panel-expand-collapse"> <div class="arrow down"></div> </a> </div> </div> </div> </div> <div class = "container container-mobile-fluid hidden-xs"> <div class = "row"> <div class = "col-xs-12"> <h2 class = "cta-interest-header related-images-header">You might also be interested in    (<a href="/images/related/153622/windy-city-of-lights">view all</a>)</h2> </div> </div> </div> <div class = "row hidden-xs"> <div class = "container-fluid homepage-cards-container"> <div class = "row thumbnail-cards homepage-cards masonry-container"> <div class="grid-sizer col-lg-3 col-sm-4 col-xs-12"></div> <div class = "visible-xs col-xs-12 hidden-print"> <a href = "/subscribe/" class = "cta cta-subscribe"> <img src = "/img/logo-mark.svg" alt = "Subscribe to the Earth Observatory" /> <h1>Subscribe</h1> to our newsletters </a> </div> <div class = "visible-xs col-xs-12 hidden-print"> <a href = "/blogs//eokids/" class = "cta cta-eokids"> <img src = "/img/eokids/eokidslogo.png" alt = "EOKids" /> </a> </div> <div class = "col-lg-3 col-sm-4 col-xs-12 masonry-item"> <div class = "thumbnail" data-href = "/images/148307/arabian-night-lights"> <div class = "thumbnail-image"><a href="/images/148307/arabian-night-lights"><img src = "https://eoimages.gsfc.nasa.gov/images/imagerecords/148000/148307/arabiansea_vir_202146_th.jpg" alt = "Arabian Night Lights" /></a></div> <div class = "caption"> <div class = "thumbnail-topic-group"> <div class = "thumbnail-half-circle"></div> <span class = "thumbnail-topic thumbnail-topic-image">Image</span> </div> <h4><a href="/images/148307/arabian-night-lights">Arabian Night Lights</a></h4> <p>Researchers have found another use for night lights imagery: tracking unregulated and under-reported fishing.</p> <p class = "btn-tag-group"> <a href = "/topic/image-of-the-day" class = "btn btn-tag hvr-rectangle-in btn-xs btn-imageofday">Image of the Day</a> <a href = "/topic/water" class = "btn btn-tag hvr-rectangle-in btn-xs btn-water">Water</a> <a href = "/topic/remote-sensing" class = "btn btn-tag hvr-rectangle-in btn-xs btn-remotesensing">Remote Sensing</a> </p> </div> </div> </div> <div class = "col-lg-3 col-sm-4 col-xs-12 masonry-item"> <div class = "thumbnail" data-href = "/images/77360/city-lights-of-dubai-united-arab-emirates"> <div class = "thumbnail-image"><a href="/images/77360/city-lights-of-dubai-united-arab-emirates"><img src = "https://eoimages.gsfc.nasa.gov/images/imagerecords/77000/77360/ISS030-E-099324_tn.jpg" alt = "City Lights of Dubai, United Arab Emirates" /></a></div> <div class = "caption"> <div class = "thumbnail-topic-group"> <div class = "thumbnail-half-circle"></div> <span class = "thumbnail-topic thumbnail-topic-image">Image</span> </div> <h4><a href="/images/77360/city-lights-of-dubai-united-arab-emirates">City Lights of Dubai, United Arab Emirates</a></h4> <p>The city is a favorite subject for astronaut photography.</p> <p class = "btn-tag-group"> <a href = "/topic/image-of-the-day" class = "btn btn-tag hvr-rectangle-in btn-xs btn-imageofday">Image of the Day</a> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/human-presence" class = "btn btn-tag hvr-rectangle-in btn-xs btn-human">Human Presence</a> </p> </div> </div> </div> <div class = "col-lg-3 col-sm-4 col-xs-12 masonry-item"> <div class = "thumbnail" data-href = "/images/79807/city-lights-illuminate-the-nile"> <div class = "thumbnail-image"><a href="/images/79807/city-lights-illuminate-the-nile"><img src = "https://eoimages.gsfc.nasa.gov/images/imagerecords/79000/79807/nile_vir_2012287_tn.jpg" alt = "City Lights Illuminate the Nile" /></a></div> <div class = "caption"> <div class = "thumbnail-topic-group"> <div class = "thumbnail-half-circle"></div> <span class = "thumbnail-topic thumbnail-topic-image">Image</span> </div> <h4><a href="/images/79807/city-lights-illuminate-the-nile">City Lights Illuminate the Nile</a></h4> <p>At night, the Nile River Valley and Delta resemble a giant flower in this image from October 13, 2012.</p> <p class = "btn-tag-group"> <a href = "/topic/image-of-the-day" class = "btn btn-tag hvr-rectangle-in btn-xs btn-imageofday">Image of the Day</a> <a href = "/topic/land" class = "btn btn-tag hvr-rectangle-in btn-xs btn-land">Land</a> <a href = "/topic/fires" 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