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A Rainbow-colored “Feather” in the Martian Sky

NASA’s Curiosity Mars rover captured this feather-shaped iridescent cloud just after sunset on Jan. 27, 2023, the 3,724th Martian day, or sol, of the mission. Studying the colors in iridescent clouds tells scientists something about particle size within the clouds and how they grow over time. These clouds were captured as part of a follow-on imaging campaign to study noctilucent, or “night-shining” clouds, which started in 2021. This scene made up of 28 individual images captured by the rover’s Mast Camera, or Mastcam.

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Robot Gets a Grip

The blue tentacle-like arms containing gecko-like adhesive pads, attached to an Astrobee robotic free-flyer, reach out and grapple a “capture cube” inside the International Space Station’s Kibo laboratory module. The experimental grippers, outfitted on the toaster-sized Astrobee, demonstrated autonomous detection and capture techniques that may be used to remove space debris and service satellites in low Earth orbit.

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The Bhaga river flowing from Darcha in the distance down past Jispa. Stunted juniper growing on the lower slopes. View from above Gemur Gompa. Elevations: river 3,250 m (10,660 ft), peaks 5,200–5,700 m (17,100–18,700 ft). Lahaul, Himachal Pradesh, India.
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The Bhaga river flowing from Darcha in the distance down past Jispa. Stunted juniper growing on the lower slopes. View from above Gemur Gompa. Elevations: river 3,250 m (10,660 ft), peaks 5,200–5,700 m (17,100–18,700 ft). Lahaul, Himachal Pradesh, India.
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Golden Moon over the Superdome

The full moon rises over the Superdome and the city of New Orleans, Louisiana on Monday evening, January 13, 2025. The Wolf Moon, also known as the Ice or Cold Moon, was full at 5:27 p.m. EST. New Orleans is home to NASA’s Michoud Assembly Facility where several pieces of hardware for the SLS (Space Launch System) are being built.

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Apollo 14 Moon Landing

An excellent view of the Apollo 14 lunar module on the Moon, as photographed during the first Apollo 14 moonwalk on the lunar surface. The astronauts have already deployed the U.S. flag. While astronauts Alan B. Shepard Jr., commander, and Edgar D. Mitchell, lunar module pilot, descended in the lunar module to explore the Moon, astronaut Stuart A. Roosa, command module pilot, remained with the command and service modules in lunar orbit.

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Bullseye!

LEDA 1313424, aptly nicknamed the Bullseye, is two and a half times the size of our Milky Way and has nine rings — six more than any other known galaxy. High-resolution imagery from NASA’s Hubble Space Telescope confirmed eight rings, and data from the W. M. Keck Observatory in Hawaii confirmed a ninth. Hubble and Keck also confirmed which galaxy dove through the Bullseye, creating these rings: the blue dwarf galaxy that sits to its immediate center-left.

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Saint Blaise #Saints

Popularly known as the saint who protects from ailments of the throat, Saint Blaise was a bishop and martyr of the fourth century. We know little else about him, except that he suffered persecution even after the Edict of Toleration was to have freed the Roman world for worship.

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Stacking Artemis II

Engineers and technicians with NASA’s Exploration Ground Systems Program prepare to lift the left center center booster segment shown with the iconic NASA “worm” insignia for the agency’s SLS (Space Launch System) rocket to the Vehicle Assembly Building at NASA’s Kennedy Space Center in Florida on Friday, Jan. 24, 2025.

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This stained glass window from Église Sainte-Madeleine, a church in Gramond, France, depicts Saints Victor of Damascus and Paul the Apostle. Though they were not contemporaries, both men have a connection to Damascus. Moreover, legend has it that each were martyred by beheading, hence they are displayed holding swords. Today is the feast of The Conversion of St. Paul and the conclusion of the Week of Prayer for Christian Unity in much of Western Christianity.
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This stained glass window from Église Sainte-Madeleine, a church in Gramond, France, depicts Saints Victor of Damascus and Paul the Apostle. Though they were not contemporaries, both men have a connection to Damascus. Moreover, legend has it that each were martyred by beheading, hence they are displayed holding swords. Today is the feast of The Conversion of St. Paul and the conclusion of the Week of Prayer for Christian Unity in much of Western Christianity.
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Saint John Bosco #Saints

Inspired by Saint Francis de Sales, Saint John Bosco founded the Salesians to continue his work among boys. Then, joining forces with Mary Mazzarello, he helped found the Salesian Sisters. All this during a time when established religious communities in Italy were closing their doors.

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Building an Antenna

A crane lowers the 112-foot-wide (34-meter-wide) steel framework for the Deep Space Station 23 (DSS-23) reflector dish into position on Dec. 18, 2024, at the Deep Space Network’s Goldstone Space Communications Complex near Barstow, California. A multi-frequency beam waveguide antenna, DSS-23 will boost the DSN’s capacity and enhance NASA’s deep space communications capabilities for decades to come.

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SPHEREx’s Concentric Cones

NASA’s SPHEREx observatory is oriented in a horizontal position, revealing all three layers of photon shields as well as the telescope. This photo was taken at BAE Systems in Boulder, Colorado, in April 2024.

Short for Spectro-Photometer for the History of the Universe, Epoch of Reionization and Ices Explorer, SPHEREx will create a map of the cosmos like no other. Using a technique called spectroscopy to image the entire sky in 102 wavelengths of infrared light, SPHEREx will gather information about the composition of and distance to millions of galaxies and stars. With this map, scientists will study what happened in the first fraction of a second after the big bang, how galaxies formed and evolved, and the origins of water in planetary systems in our galaxy.

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Tompot blenny (Parablennius gattorugine), Arrábida National Park, Portugal. Note: no FP of this species. It can be found in shallow, coastal waters off western Europe and northern Africa and in the Mediterranean. The tompot blenny is a relatively large blenny that can grow up to 30 centimetres (12 in) in length. There is a single branched tentacle over each of its eyes. It’s very territorial and its territory is centred around a crevice in the rocky reef which the fish uses for shelter. It occurs in shallow seas at depths of 3–32 metres (9.8–105.0 ft) and is crepuscular, being active mainly at dawn and at dusk. It has sharp, comb-like teeth which it uses to scrape food from the substrate. It feeds on sea anemones and other invertebrates such as prawns and other crustaceans.
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Tompot blenny (Parablennius gattorugine), Arrábida National Park, Portugal. Note: no FP of this species. It can be found in shallow, coastal waters off western Europe and northern Africa and in the Mediterranean. The tompot blenny is a relatively large blenny that can grow up to 30 centimetres (12 in) in length. There is a single branched tentacle over each of its eyes. It’s very territorial and its territory is centred around a crevice in the rocky reef which the fish uses for shelter. It occurs in shallow seas at depths of 3–32 metres (9.8–105.0 ft) and is crepuscular, being active mainly at dawn and at dusk. It has sharp, comb-like teeth which it uses to scrape food from the substrate. It feeds on sea anemones and other invertebrates such as prawns and other crustaceans.
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Geyser Season on Mars

Springtime in the South Polar region of Mars is a season of exciting activity. The thick coating of carbon dioxide ice that accumulated over the winter begins to sublimate (turn to vapor) as the sun rises higher in the sky and warms the ice. Sunlight penetrates through the transparent ice, and is absorbed at the base of the ice layer. The gas that forms as a result of the warming escapes through weaknesses in the ice and erupts in the form of magnificent geysers of gas and dust.

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Gonbo Rangjon with peak elevation 5,520 m (18,110 ft) towers 1,200 m (3,900 ft) above the Kargiakh valley in Zanskar, Ladakh, India. The tents in the foreground indicate the Himalayan scale. Known locally as God’s Mountain, climbing is not permitted. The snow-capped range to the right includes the Shinko La pass to Lahaul.
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Gonbo Rangjon with peak elevation 5,520 m (18,110 ft) towers 1,200 m (3,900 ft) above the Kargiakh valley in Zanskar, Ladakh, India. The tents in the foreground indicate the Himalayan scale. Known locally as God’s Mountain, climbing is not permitted. The snow-capped range to the right includes the Shinko La pass to Lahaul.
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