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Our Curiosity Mars rover rounds Martian dune to get to the other side. Curiosity, partway through the first up-close study ever conducted of extraterrestrial sand dunes, is providing dramatic views of a dune's steep face, where cascading sand has sculpted very different textures than the wavy ripples visible on the dune's windward slope. This Dec. 18, 2015, view of the downwind face of "Namib Dune" on Mars covers 360 degrees, including a portion of Mount Sharp on the horizon. Credits: NASA/JPL-Caltech/MSSS #nasa #mars #dune #nasabeyond #science #marscuriosity #curiosityrover @NASAJPL; -
Want to #BeAnAstronaut? We're hiring. Applications are now open. Apply today on USAJOBS: http://go.nasa.gov/BeAnAstronaut The next class of astronauts may fly on any of four different U.S. spacecraft during their careers: the International Space Station (@ISS), two new commercial spacecraft being built by U.S. companies, and NASA's Orion deep-space exploration vehicle. To date, we've selected more than 300 astronauts to fly our increasingly challenging missions to explore space and benefit life on Earth. More will be needed for future missions to the space station and beyond on our journey to Mars. #NASA #Space #Astronaut #BeAnAstronaut #Explore #Science #Astronomy; -
Enceladus looks as though it is half lit by sunlight in this view from NASA's Cassini spacecraft, but looks can be deceiving. The area on the right, where surface features can be made out, are actually illuminated by light reflected off of Saturn. A sliver of surface illuminated by direct sunlight is visible on the left. Images like this one are designed to capture the extended plume of icy material spraying from the moon's south polar region. Such images need to be taken with Cassini looking toward the icy moon's night side, since the small particles in the plume are most easily seen when backlit by the sun. This view looks toward the leading hemisphere of Enceladus and was taken in visible light with Cassini's narrow-angle camera on May 10, 2015. Enceladus is 313 miles (504 kilometers) across. Credit: NASA/JPL-Caltech/Space Science Institute #Saturn #cassini #cassinisaturn #nasa #space #planet #astronomy #science; -
What a year! In 2015, we explored the expanse of our solar system and beyond, and the complex processes of our home planet, while also advancing the technologies for our journey to Mars, and new aviation systems as we reached new milestones aboard the International Space Station (@ISS). The work we do, and will continue in 2016, helps the United States maintain its world leadership in space exploration and scientific discovery. We will continue investing in our journey to Mars, returning human spaceflight launches from American soil, fostering groundbreaking technology development, breakthroughs in aeronautics and bringing to every American the awe-inspiring discoveries and images captured by NASA’s missions in our solar system and beyond. #nasa #science #space #explore #discover #understand #solarsystem #planet #astronaut #2015 #2016 #happynewyear #spacestation; -
Two become one in this Hubble Space Telescope view showing galaxy NGC 6052, located around 230 million light-years away in the constellation of Hercules. It would be reasonable to think of this as a single abnormal galaxy, and it was originally classified as such. However, it is in fact a “new” galaxy in the process of forming. Two separate galaxies have been gradually drawn together, attracted by gravity, and have collided. We now see them merging into a single structure. As the merging process continues, individual stars are thrown out of their original orbits and placed onto entirely new paths, some very distant from the region of the collision itself. Since the stars produce the light we see, the “galaxy” now appears to have a highly chaotic shape. Eventually, this new galaxy will settle down into a stable shape, which may not resemble either of the two original galaxies. Image credit: ESA/Hubble & NASA, Acknowledgement: Judy Schmidt #nasa #space #astronomy #universe #galaxy #science #hubble;
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NASA's Earth Observatory has tracked down images resembling all 26 letters of the English alphabet using only NASA satellite imagery and astronaut photography. Seen here are the first four letters, A, B, C and D from views of Utah, the Arkansas River, a Bahrain Atoll Island and Akimiski Island in Canada, respectively. Explore the whole alphabet at http://go.nasa.gov/ABC #Alphabet #space #nasa #astronauts #earth #planet #ABC; -
Saturn's moon Dione shows off beautiful wispy terrain alongside of Saturn's elegant rings in this image from the Cassini mission. The "wisps" are relatively young fractures on the trailing hemisphere of Dione's (698 miles or 1123 kilometers across) icy surface. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Aug. 15, 2015. The view was obtained at a distance of approximately 1.1 million miles (1.7 million kilometers) from Dione. Credit: NASA/JPL-Caltech/Space Science Institute #astronomy #science #nasa #space #planet #saturn #dione; -
"Glass bottom spaceship over the #Bahamas! #GoodMorning from @ISS! #YearInSpace," NASA astronaut Scott Kelly (@stationcdrkelly) wrote when posting this images from the International Space Station. Kelly is living and working off the Earth, for the Earth aboard the station for a one-year mission. Traveling the world about 250 miles above the Earth, and at 17,500 mph, he circumnavigates the globe more than a dozen times a day. Image Credit: NASA #nasa #spacestation #space #earth #iss #earth; -
The Hubble Space Telescope captured this stunning image of what looks like a soaring, celestial snow angel. This image shows a bipolar star-forming region, called Sharpless 2-106. The outstretched "wings" of the nebula record the contrasting imprint of heat and motion against the backdrop of a colder medium. Twin lobes of super-hot gas, glowing blue in this image, stretch outward from the central star. This hot gas creates the "wings" of our angel. A ring of dust and gas orbiting the star acts like a belt, cinching the expanding nebula into an "hourglass" shape. Image Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA) #NASA #hubble #hst #universe #science #astronomy; -
Earthrise from Christmas Eve, 1968: Millions around the world were watching and listening as the Apollo 8 astronauts - Frank Borman, Jim Lovell and Bill Anders - became the first humans to orbit another world. As their command module floated above the lunar surface, the astronauts beamed back images of the moon and Earth and took turns reading from the book of Genesis, closing with a wish for everyone "on the good Earth." The mission was also famous for the iconic "Earthrise" image, snapped by Anders, which would give humankind a new perspective on their home planet. Anders has said that despite all the training and preparation for an exploration of the moon, the astronauts ended up discovering Earth. Credits: NASA #nasa #space #apollo #christmas #apollo8 #history #otd #moon #earth #holiday #merrychristmas;
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Christmas Pluto: Pluto gets into the holiday spirit, decked out in red and green. This image was produced by the New Horizons composition team, using a pair of scans obtained at approximately 9:40 a.m. on July 14, from a mean range of 67,000 miles (108,000 kilometers). Three infrared wavelength ranges were placed into the three color channels (red, green and blue, respectively) to create this false color Christmas portrait. Credits: NASA/JHUAPL/SwRI #nasa #space #merrychristmas #christmas #christmaseve #newhorizons #plutoflyby #pluto #nasabeyond #science; -
Rare Full Moon on Christmas Day! Not since 1977 has a full moon dawned in the skies on Christmas. But this year, a bright full moon will be an added gift for the holidays. December's full moon, the last of the year, is called the Full Cold Moon because it occurs during the beginning of winter. The moon's peak this year will occur at 6:11 a.m. EST. This rare event won't happen again until 2034. That's a long time to wait, so make sure to look up to the skies on Christmas Day. Credits: NASA/Goddard/Lunar Reconnaissance Orbiter #nasa #space #moon #christmas #holiday #christmasmoon #holiday #nasabeyond #winter #astronomy #christmasday #fullmoon; -
Galactic Ribbon Unfurled: An extraordinary ribbon of hot gas trailing behind a galaxy like a tail has been discovered using data from our Chandra X-ray Observatory. This ribbon, or X-ray tail, is likely due to gas stripped from the galaxy as it moves through a vast cloud of hot intergalactic gas. With a length of at least 250,000 light years, it is likely the largest such tail ever detected. In this new composite image, X-rays from Chandra (blue) have been combined with data in visible light from the Isaac Newton Group of Telescopes (yellow) in the Canary Islands, Spain. The tail is located almost 700 million light years from Earth. The length of the tail is more than twice the diameter of the entire Milky Way galaxy. The tail contains gas at temperatures of about ten million degrees, about twenty million degrees cooler than the intergalactic gas, but still hot enough to glow brightly in X-rays that Chandra can detect. Image credit: X-ray: NASA/CXC/University of Bonn/G. Schellenberger et al; Optical: INT #nasa #chandra #space #galaxy #space #nasabeyond #universe #astronomy #science; -
Successful Spacewalk Today: NASA astronauts Scott Kelly (@stationcdrkelly) and Tim Kopra ended their spacewalk at 11:01 a.m. EST after accomplishing all objectives. They released brake handles on crew equipment carts on either side of the space station's mobile transporter rail car so it could be latched in place ahead of Wednesday's docking of a Russian cargo resupply spacecraft. The ISS Progress 62 resupply mission launched at 3:44 a.m. EST this morning (2:44 p.m. Baikonur time) from the Baikonur Cosmodrome in Kazakhstan. Kelly posted this photo and wrote, "Fix was pretty easy, but the rest always a challenge. With great team on earth we got it done safely." Image Credit: NASA #nasa #spacewalk #iss #spacestation #yearinspace #earth #repair #progress #spacecraft #timkopra #space; -
The Hubble Space Telescope checks out globular cluster Terzan 1, a home for old stars. Lying around 20,000 light-years from us in the constellation of Scorpius (The Scorpion), it is one of about 150 globular clusters belonging to our galaxy, the Milky Way. Typical globular clusters are collections of around a hundred thousand stars, held together by their mutual gravitational attraction in a spherical shape a few hundred light-years across. They contain some of the oldest stars in a galaxy, hence the reddish colors of the stars in this image — the bright blue ones are foreground stars, not part of the cluster. The ages of the stars in the globular cluster tell us that they were formed during the early stages of galaxy formation! Studying them can also help us to understand how galaxies formed. Image credit: NASA & ESA, Acknowledgement: Judy Schmidt #nasa #hubble #stars #universe #astronomy #science;
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