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Seagull Nebula -- Running with the Big Dog
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](https://live.staticflickr.com/2893/9401129158_9920542716_b.jpg)
On a dreary day in Pittsburgh, ex-Grand Trunk Western USRA…
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](https://upload.wikimedia.org/wikipedia/commons/1/13/307261-2002ms4_hst.jpg?20190526064426)
File:307261-2002ms4 hst.jpg - Wikimedia Commons
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](https://www.img2go.com/assets/img/img2go_screenshot.png)
Online photo editor and image converter
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=282705952436057&get_thumbnail=1)
iloveimg.com
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](https://sites.psu.edu/siowfa15/wp-content/uploads/sites/29639/2015/12/atmosphere.jpg)
SiOWfa15: Science in Our World: Certainty and Controversy
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](http://www.fuzzyworld3.com/pictures3/railroad/steam5/bb-0079-iais6988-iais7081-milw261.jpg)
Steam Triple-Header! - steam5bb
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=200358857542909&get_thumbnail=1)
iloveimg.com
![i.img.com/images/g/-uEAAOSw8IBizET8/s-l1200.we](https://airandspace.si.edu/sites/default/files/2022-11/NASA-PIA00134h.jpeg)
Earth - Moon Conjunction