“Under the Midnight Sun” was uploaded to Flickr

In September 2017, a new iceberg calved from Pine Island Glacier—one of the main outlets where the West Antarctic Ice Sheet flows into the ocean. via NASA ift.tt/2EcblGs
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Under the Midnight Sun was taken on December 20, 2017 at 10:27AM

“Naples at Night” was uploaded to Flickr

An astronaut aboard the International Space Station took this photograph of the city lights of Naples and the Campania region of southern Italy. via NASA ift.tt/2Dsv57t
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Naples at Night was taken on December 28, 2017 at 03:31AM

“Kwanzaa Tholus on Ceres” was uploaded to Flickr

These images show a subtle feature on dwarf planet Ceres called Kwanzaa Tholus. via NASA ift.tt/2Ccnzye
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Kwanzaa Tholus on Ceres was taken on December 27, 2017 at 03:31AM

“Hubble's Holiday Nebula “Ornament”” was uploaded to Flickr

The Hubble Space Telescope captured what looks like a colorful holiday ornament in space. It's actually an image of NGC 6326, a planetary nebula with glowing wisps of outpouring gas. via NASA ift.tt/2CV8qkg
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Hubble's Holiday Nebula “Ornament” was taken on June 28, 2010 at 06:00AM

“Launch Day!” was uploaded to Flickr

On Dec. 21, 1968, the Apollo 8 crew leaves the Kennedy Space Center's then-named Manned Spacecraft Operations Building during the mission's prelaunch countdown on the way to their history-making lunar orbiting flight. via NASA ift.tt/2zbwlJX
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Launch Day! was taken on July 30, 2008 at 10:04AM

“Hello From Above” was uploaded to Flickr

Greetings from @Astro_Sabot, otherwise known as Mark Vande Hei, from aboard the International Space Station. via NASA ift.tt/2z6xNx8
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Hello From Above was taken on December 03, 2017 at 12:39AM

“The Bluest of Ice” was uploaded to Flickr

Acquired on November 29 by Operation IceBridge during a flight to Victoria Land, this image shows an iceberg floating in Antarctica's McMurdo Sound. via NASA ift.tt/2kjgNz4
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The Bluest of Ice was taken on December 19, 2017 at 04:33AM