du jour "www.nasa.gov"
Le contenu de cette page est donc construit automatiquement
avec les messages et les images postées par la Nasa sur le site
NASA Image of the Day
The latest NASA "Image of the Day" image.
Atlas V Rocket and TDRS-M
As the Sun rises at Space Launch Complex 41 at Cape Canaveral Air Force Station in Florida, a United Launch Alliance Atlas V rocket vents liquid oxygen propellant vapors during fueling for the lift off of NASA's Tracking and Data Relay Satellite, TDRS-M.
Fri, 18 Aug 2017 13:04 EDT
Jupiter: A New Point of View
This striking Jovian vista was created by citizen scientists Gerald Eichstädt and Seán Doran using data from the JunoCam imager on NASA’s Juno spacecraft.
Thu, 17 Aug 2017 08:54 EDT
Space Station Flight Over the Bahamas
One of the most recognizable points on the Earth for astronauts to photograph is the Bahamas. Randy Bresnik of NASA shared this Aug. 13 photo from the International Space Station, saying, "The stunning Bahamas were a real treat for us. The vivid turquoise of the water over the reef was absolutely captivating."
Wed, 16 Aug 2017 11:43 EDT
Spiraling Cloud Patterns Over Guadalupe Island
On May 24, 2017, the Visible Infrared Imaging Radiometer Suite (VIIRS) on the Suomi NPP satellite captured a natural-color image of long, spiraling cloud patterns, or "von Kármán vortices," on the lee side of Guadalupe Island. The volcanic island rises from the Pacific Ocean off the coast of Baja California, Mexico.
Tue, 15 Aug 2017 12:47 EDT
SpaceX CRS-12 Cargo Mission Launch
The two-stage Falcon 9 launch vehicle lifts off Launch Complex 39A at NASA's Kenney Space Center carrying the Dragon resupply spacecraft to the International Space Station.
Mon, 14 Aug 2017 16:17 EDT
Highlighting Titan's Hazes
NASA's Cassini spacecraft looks toward the night side of Saturn's moon Titan in a view that highlights the extended, hazy nature of the moon's atmosphere.
Mon, 14 Aug 2017 08:20 EDT
Hubble Displays a Dwarf Spiral Galaxy
Dwarf galaxy NGC 5949 sits at a distance of around 44 million light-years from us, placing it within the Milky Way’s cosmic neighborhood.
Fri, 11 Aug 2017 10:21 EDT
A Starburst with the Prospect of Gravitational Waves
More than a hundred years after Swift’s discovery of the "starburst" galaxy IC 10, astronomers are studying IC 10 with the most powerful telescopes of the 21st century.
Thu, 10 Aug 2017 12:30 EDT
Solar Evaporation Ponds Near Moab, Utah
An astronaut aboard the International Space Station took this photograph of solar evaporation ponds outside the city of Moab, Utah. There are 23 colorful ponds spread across 400 acres. They are part of a large operation to mine potassium chloride—more commonly referred to as muriate of potash (MOP)—from ore buried underground.
Wed, 09 Aug 2017 15:19 EDT
Moon Rise From the Space Station
From his vantage point aboard the International Space Station, NASA astronaut Randy Bresnik pointed his camera toward the rising Moon and captured this beautiful image on August 3, 2017. Bresnik wrote, "Gorgeous moon rise! Such great detail when seen from space. Next full moon marks #Eclipse2017. We’ll be watching from @Space_Station."
Tue, 08 Aug 2017 11:16 EDT
Prometheus and the Ghostly F Ring
The thin sliver of Saturn's moon Prometheus lurks near ghostly structures in Saturn's narrow F ring in this view from NASA's Cassini spacecraft.
Mon, 07 Aug 2017 10:24 EDT
NASA's Solar Dynamics Observatory Watches a Sunspot
On July 5, 2017, NASA’s Solar Dynamics Observatory watched an active region — an area of intense and complex magnetic fields — rotate into view on the Sun. This image shows a blended view of the sunspot in visible and extreme ultraviolet light, revealing bright coils arcing over the active region — particles spiraling along magnetic field lines.
Fri, 04 Aug 2017 11:54 EDT
A Look Inside the Space Station's Experimental BEAM Module
NASA astronaut Randy Bresnik looks through the hatch of the International Space Station's Bigelow Expandable Aerospace Module (BEAM) on July 31, 2017. The BEAM is an experimental expandable module just over halfway into its planned two-year demonstration on the space station.
Thu, 03 Aug 2017 13:24 EDT
Space Station Flyover of Super Typhoon Noru
NASA astronaut Randy Bresnik photographed Super Typhoon Noru on August 1, 2017, as the International Space Station passed overhead. He shared images of the massive storm on social media, writing, "Super Typhoon #Noru, amazing the size of this weather phenomenon, you can almost sense its power from 250 miles above."
Wed, 02 Aug 2017 10:11 EDT
August 1, 1971 - Second Apollo 15 Moonwalk
This mini-panorama combines two photographs taken by Apollo 15 lunar module pilot Jim Irwin, from the Apollo Lunar Surface Experiments Package (ALSEP) site, at the end of the second Apollo 15 moonwalk on August 1, 1971. Apollo 15 was the fourth crewed mission to land on the Moon.
Tue, 01 Aug 2017 10:47 EDT
Sunrise Through the Solar Arrays
On July 26, 2017, a member of the Expedition 52 crew aboard the International Space Station took this photograph of one of the 16 sunrises they experience every day, as the orbiting laboratory travels around Earth. One of the solar panels that provides power to the station is seen in the upper left.
Mon, 31 Jul 2017 09:55 EDT
Expedition 52 Soyuz Launches to the Space Station
The Soyuz MS-05 rocket is launched with Expedition 52 flight engineer Sergei Ryazanskiy of Roscosmos, flight engineer Randy Bresnik of NASA, and flight engineer Paolo Nespoli of ESA (European Space Agency), Friday, July 28, 2017 at the Baikonur Cosmodrome in Kazakhstan.
Fri, 28 Jul 2017 16:06 EDT
Haze on the Horizon
This false-color view from NASA's Cassini spacecraft gazes toward the rings beyond Saturn's sunlit horizon.
Thu, 27 Jul 2017 08:10 EDT
Expedition 52 Soyuz Rollout
The Soyuz MS-05 spacecraft is seen as it is raised into a vertical position on the launch pad at the Baikonur Cosmodrome, Kazakhstan, Wednesday, July 26, 2017. The Expedition 52 crew is scheduled to launch to the International Space Station aboard the Soyuz on Friday, July 28, at 11:41 a.m. EDT (9:41 p.m. Baikonur time).
Wed, 26 Jul 2017 11:42 EDT
Watching the Aurora From Orbit
Expedition 52 Flight Engineer Jack Fischer of NASA shared photos and time-lapse video of a glowing green aurora seen from his vantage point 250 miles up, aboard the International Space Station. This aurora photo was taken on June 26, 2017.
Tue, 25 Jul 2017 10:49 EDT
Hubble’s Hunting Dog Galaxy
Tucked away in the small northern constellation of Canes Venatici (The Hunting Dogs) is the galaxy NGC 4242.
Mon, 24 Jul 2017 10:52 EDT
Enhanced Color Panorama Above 'Perseverance Valley' on Mars
Toward the right side of this enhanced-color scene is a broad notch in the crest of the western rim of Endeavour Crater on Mars. Wheel tracks in that area were left by NASA's Mars Exploration Rover Opportunity as it observed "Perseverance Valley" from above in the spring of 2017.
Fri, 21 Jul 2017 08:37 EDT
Lunar Module at Tranquility Base
This photograph of the Lunar Module at Tranquility Base was taken by Neil Armstrong during the Apollo 11 mission, from the rim of Little West Crater on the lunar surface. Armstrong's shadow and the shadow of the camera are visible in the foreground. This is the furthest distance from the lunar module traveled by either astronaut while on the moon.
Thu, 20 Jul 2017 09:36 EDT
July 14 Solar Flare and a Coronal Mass Ejection
A medium-sized (M2) solar flare and a coronal mass ejection erupted from the same, large active region of the sun on July 14, 2017. The flare lasted almost two hours, quite a long duration. The coils arcing over this active region are particles spiraling along magnetic field lines.
Wed, 19 Jul 2017 10:50 EDT
NASA Evaluates How Crew Will Exit Orion Spacecraft
When astronauts return to Earth from destinations beyond the moon in NASA’s Orion spacecraft and splashdown in the Pacific Ocean, they’ll still need to safely get out of the spacecraft and back on dry land. Using the waters off the coast of Galveston, a NASA and Department of Defense team tested Orion exit procedures on July 10-14, 2017.
Tue, 18 Jul 2017 10:48 EDT
NASA Langley and the Space Race
Neil Armstrong trained for the Apollo 11 mission at NASA Langley's Lunar Landing Research Facility on equipment that cancelled all but one-sixth of Earth's gravitational force. Armstrong offered perhaps the greatest tribute to the importance of his training when asked what it was like to land on the moon, replying, "Like Langley."
Mon, 17 Jul 2017 11:54 EDT
Hubble Spots a Barred Lynx Spiral
NGC 2500 is a particular kind of spiral galaxy known as a barred spiral, its wispy arms swirling out from a bright, elongated core.
Fri, 14 Jul 2017 10:01 EDT
Jupiter’s Great Red Spot (Enhanced Color)
This enhanced-color image of Jupiter’s Great Red Spot was created by citizen scientist Gerald Eichstädt using data from the JunoCam imager on NASA’s Juno spacecraft.
Thu, 13 Jul 2017 08:27 EDT
Looking Back: Aircraft Engineering Research Conference at Langley's Full Scale Tunnel, 1934
This year, NASA is celebrating the 100th anniversary of the agency’s Langley Research Center in Hampton, Virginia. In Langley's early years of crafting flight, aviation pioneers flocked to the center for engineering conferences. This photo was taken in Langley's Full Scale Tunnel during the 1934 Aircraft Engineering Research Conference.
Wed, 12 Jul 2017 11:15 EDT
Lakes and Rivers Have Ice, Too
On May 29, 2017, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Terra satellite captured this image of ice covering the Amundsen Gulf, Great Bear Lake, and numerous small lakes in the northern reaches of Canada’s Northwest Territories and Nunavut. Icy lakes and rivers make a significant footprint on the Arctic landscape.
Tue, 11 Jul 2017 11:38 EDT
Dawn’s Early Light
The light of a new day on Saturn illuminates the planet’s wavy cloud patterns and the smooth arcs of the vast rings.
Mon, 10 Jul 2017 10:25 EDT
Winds Trigger Pond Growth
Wind is a force to be reckoned with. It can stir up monsoons, carry dust thousands of miles, and sculpt rock into sinuous arches. But sometimes, the effects of wind go unnoticed for years, like when it carves away slowly at the edges of a pond.
Fri, 07 Jul 2017 08:48 EDT
Vice President Mike Pence Visits Kennedy Space Center
Vice President Mike Pence addresses NASA employees, Thursday, July 6, 2017, at the Vehicle Assembly Building at NASA’s Kennedy Space Center (KSC) in Cape Canaveral, Florida.
Thu, 06 Jul 2017 17:07 EDT
This Week in NASA History: Apollo AS-203 Launches -- July 5, 1966
This week in 1966, the AS-203 rocket launched from NASA’s Kennedy Space Center. The Apollo AS-203 mission was an uncrewed test of the vehicle’s second stage, the S-IVB stage, and the instrument unit of the Saturn V to obtain flight information under orbital conditions.
Wed, 05 Jul 2017 09:30 EDT
Happy Fourth of July From the Space Station
NASA astronauts Jack Fischer and Peggy Whitson celebrated the Fourth of July from over 250 miles above Earth on the International Space Station. Fischer shared this photo on social media and said, "We sometimes have issues standing up straight, but we have no problems at all showing our American pride-Happy 4th!"
Tue, 04 Jul 2017 13:10 EDT
Dragon Returns Space Station Science to Earth
NASA astronaut Jack Fischer photographed the SpaceX Dragon capsule as it reentered Earth's atmosphere before splashing down in the Pacific Ocean west of Baja California at 8:12 a.m. EDT, July 3, 2017. Fischer commented, "Beautiful expanse of stars-but the “long” orange one is SpaceX-11 reentering!"
Mon, 03 Jul 2017 13:00 EDT
The ‘Face’ of Jupiter
JunoCam images aren’t just for art and science – sometimes they are processed to bring a chuckle.
Fri, 30 Jun 2017 07:49 EDT
Starry Night and Aurora
Expedition 52 Flight Engineer Jack Fischer of NASA photographed the glowing nighttime lights of an aurora from his vantage point in the International Space Station's cupola module on June 19, 2017. Part of the station's solar array is also visible.
Thu, 29 Jun 2017 10:17 EDT
The Niagara Falls of Mars
Various researchers are often pre-occupied with the quest for flowing water on Mars.
Wed, 28 Jun 2017 06:19 EDT
As the Sun Rises, NASA's Global Hawk is Being Prepared for Flight
Hot summer days in Southern California’s Antelope Valley force many aircraft operations to start early in the morning before the sun rises. On a back ramp at Armstrong Flight Research Center on Edwards Air Force Base, a NASA Global Hawk goes through testing of its communication components and satellite connection links in preparation for flight.
Tue, 27 Jun 2017 08:38 EDT
NASA's Cassini spacecraft peers toward a sliver of Saturn's sunlit atmosphere while the icy rings stretch across the foreground as a dark band.
Mon, 26 Jun 2017 10:25 EDT
Hubble Uses Gravitational Lens to Capture Disk Galaxy
By combining the power of a "natural lens" in space with the capability of NASA's Hubble Space Telescope, astronomers made a surprising discovery—the first example of a compact yet massive, fast-spinning, disk-shaped galaxy that stopped making stars only a few billion years after the big bang.
Fri, 23 Jun 2017 11:01 EDT
The White Cliffs of 'Rover'
This image was acquired by the High Resolution Imaging Science Experiment (HiRISE) camera aboard NASA's Mars Reconnaissance Orbiter on April 18, 2017, at 14:04 local Mars time. It reminded the HiRISE team of the rugged and open terrain of a stark shore-line, perhaps of the British Isles.
Thu, 22 Jun 2017 11:38 EDT
Visualization of the August 21, 2017 Total Solar Eclipse
On August 21, 2017, the Earth will cross the shadow of the moon, creating a total solar eclipse. Eclipses happen about every six months, but this one is special. For the first time in almost 40 years, the path of the moon's shadow passes through the continental United States.
Wed, 21 Jun 2017 10:05 EDT
Deployment of the Space Station's Roll Out Solar Array Experiment
Over the weekend of June 17-18, engineers on the ground remotely operated the International Space Station's Canadarm2 to extract the Roll Out Solar Array experiment from the SpaceX Dragon resupply ship. The experiment will remain attached to the Canadarm2 over seven days to test this advanced, flexible array that rolls out like a tape measure.
Tue, 20 Jun 2017 11:46 EDT
Webb Telescope Set for Testing in Space Simulation Chamber
NASA’s James Webb Space Telescope sits in front of the door to Chamber A, a giant thermal vacuum chamber located at NASA’s Johnson Space Center. The telescope will soon be moved into the chamber, where it will spend a hot Houston summer undergoing tests at sub-freezing cryogenic temperatures.
Mon, 19 Jun 2017 09:36 EDT
Jupiter’s Clouds of Many Colors
NASA’s Juno spacecraft was racing away from Jupiter following its seventh close pass of the planet when JunoCam snapped this image on May 19, 2017, from about 29,100 miles (46,900 kilometers) above the cloud tops.
Fri, 16 Jun 2017 08:22 EDT
Northern Summer on Titan
NASA's Cassini spacecraft sees bright methane clouds drifting in the summer skies of Saturn's moon Titan, along with dark hydrocarbon lakes and seas clustered around the north pole.
Thu, 15 Jun 2017 08:59 EDT
Celebrating Flag Day
NASA astronaut Jack Fischer took this photograph of an American flag in one of the windows of the International Space Station's cupola, a dome-shaped module through which operations on the outside of the station can be observed and guided. Throughout NASA's history, spacecraft and launch vehicles have always been decorated with flags.
Wed, 14 Jun 2017 15:52 EDT
Illustration of Cool Dust Around an Active Black Hole
This artist illustration shows the thick ring of dust that can obscure the energetic processes that occur near the supermassive black hole of an active galactic nuclei. Researchers have found that the dust surrounding active, ravenous black holes is much more compact than previously thought.
Tue, 13 Jun 2017 14:10 EDT
Turquoise Swirls in the Black Sea
On May 29, 2017, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite captured the data for this image of an ongoing phytoplankton bloom in the Black Sea. The image is a mosaic, composed from multiple satellite passes over the region.
Mon, 12 Jun 2017 11:55 EDT
Pongal Catena on Ceres
This image from NASA's Dawn spacecraft shows the northeastern rim of Urvara Crater on Ceres.
Fri, 09 Jun 2017 11:48 EDT
Watching a Volatile Stellar Relationship
In biology, “symbiosis” refers to two organisms that live close to and interact with one another. Astronomers have long studied a class of stars – called symbiotic stars – that co-exist in a similar way. Astronomers are gaining a better understanding of how volatile this close stellar relationship can be.
Thu, 08 Jun 2017 06:55 EDT
NASA's 2017 Astronaut Candidates
NASA's 2017 astronaut candidates take a group photo at Ellington Field near Johnson Space Center. Pictured are, front row, left to right, Zena Cardman, Jasmin Moghbeli, Robb Kulin, Jessica Watkins, Loral O'Hara; back row, left to right, Jonny Kim, Frank Rubio, Matthew Dominick, Warren Hoburg, Kayla Barron, Bob Hines, and Raja Chari.
Wed, 07 Jun 2017 12:27 EDT
An Astronaut's View From the 'Corner Office'
NASA astronaut Jack Fischer tweeted this photograph from the International Space Station on June 3, 2017, writing, "Never had a corner office with a view, but I must admit, I like it… a lot! #SpaceRocks." Fischer, a member of the 2009 astronaut class, has been living and working aboard the orbiting laboratory since April 20, 2017.
Tue, 06 Jun 2017 11:13 EDT
From high above Saturn's northern hemisphere, NASA's Cassini spacecraft gazes over the planet's north pole, with its intriguing hexagon and bullseye-like central vortex.
Mon, 05 Jun 2017 12:59 EDT
SpaceX CRS-11 Cargo Mission Launch
The SpaceX Falcon 9 rocket, with the Dragon spacecraft onboard, launches from pad 39A at NASA’s Kennedy Space Center in Cape Canaveral, Florida, Saturday, June 3, 2017.
Sat, 03 Jun 2017 18:35 EDT
A South Polar Pit or an Impact Crater?
This observation from NASA's Mars Reconnaissance Orbiter show it is late summer in the Southern hemisphere, so the Sun is low in the sky and subtle topography is accentuated in orbital images.
Fri, 02 Jun 2017 07:32 EDT
Eleventh SpaceX Commercial Resupply Mission to Space Station Set for Launch
The SpaceX Falcon 9 rocket, with the Dragon spacecraft onboard, is seen shortly after being raised vertical at Launch Complex 39A at NASA’s Kennedy Space Center in Cape Canaveral, Florida, Thursday, June 1, 2017. Liftoff is scheduled for 5:55 p.m EDT.
Thu, 01 Jun 2017 11:07 EDT
Space Station's View of Florida at Night
Expedition 51 Flight Engineer Thomas Pesquet captured this nighttime photo of Florida from the International Space Station. Bright lights include the Miami-Fort Lauderdale area, and Orlando, with Cape Canaveral to the east, where launch preparations for SpaceX's next cargo mission are underway at NASA's Kennedy Space Center.