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NASA astronaut Scott Kelly (@StationCDRKelly), currently on a one-year mission aboard the International Space Station, took this photograph of Tropical Storm Bill in the Gulf of Mexico as it approached the coast of Texas, on June 15, 2015. Kelly wrote, "Concerned for all in its path including family, friends & colleagues." Tropical Storm Bill was making landfall at 11 a.m. CDT on Matagorda Island, Texas on June 16 as NASA and NOAA satellites gathered data on the storm. The center of Bill is expected to move inland over south-central Texas during the afternoon and night of June 16. Image Credit: NASA #nasa #tropicalstorm #tsbill #bill #space #iss #spacestation #satellites #noaa @NASA #science; -
Astronomers have used our Chandra X-ray Observatory to show that, multiple eruptions from a supermassive black hole over 50 million years have rearranged the cosmic landscape at the center of a group of galaxies. Scientists discovered this history of black hole eruptions by studying NGC 5813, a group of galaxies about 105 million light years from Earth. These Chandra observations are the longest ever obtained of a galaxy group, lasting for just over a week. The Chandra data are shown in this new composite image where the X-rays from Chandra (purple) have been combined with visible light data (red, green and blue). Credit: NASA #nasa #chandra #blackhole #science; -
[Image is an artist's concept] They wouldn't float like balloons or give you the chance to talk in high, squeaky voices, but planets with helium skies may constitute an exotic planetary class in our Milky Way galaxy. Researchers using data from our Spitzer Space Telescope propose that warm Neptune-size planets with clouds of helium may be strewn about the galaxy by the thousands. This artist's concept depicts a proposed helium-atmosphere planet called GJ 436b, which was found by Spitzer to lack in methane -- a first clue about its lack of hydrogen. Credits: NASA/JPL-Caltech' (artist's concept) #nasa #space #spitzer #galaxy #planet #milkyway #helium #science; -
There are many galaxies in the universe and although there is plenty of room, they tend to stick together. The Milky Way, for example, is part of a large gathering of more than fifty galaxies known as the Local Group. Galaxy groups like this come together to form even larger groups called clusters which can congregate further still to create mammoth superclusters. The sphere of space surrounding our galaxy is known as the Local Volume, a region some 35 million light-years in diameter and home to several hundred known galaxies. The subject of this new Hubble Space Telescope image, a beautiful dwarf irregular galaxy known as PGC 18431, is one of these galaxies. Image credit: ESA/Hubble & NASA #hubble #hst #hubble25 #nasa #space #galaxy #astronomy #science; -
Three crew members of the International Space Station (ISS) returned to Earth today after a 199-day mission that included several spacewalks, technology demonstrations, and hundreds of scientific experiments spanning multiple disciplines, including human and plant biology. The Soyuz TMA-15M spacecraft is seen in this image as it lands with Expedition 43 commander Terry Virts (@Astro_Terry) of NASA, cosmonaut Anton Shkaplerov of the Russian Federal Space Agency (Roscosmos), and Italian astronaut Samantha Cristoforetti from European Space Agency (ESA) near the town of Zhezkazgan, Kazakhstan. Credits: NASA/Bill Ingalls #nasa #space #soyuz #iss #isscrew #esa #exp43 #spacestation;
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Most galaxies are clumped together in groups or clusters. A neighboring galaxy is never far away. But this galaxy, known as NGC 6503, has found itself in a lonely position, at the edge of a strangely empty patch of space called the Local Void. The Local Void is a huge stretch of space that is at least 150 million light-years across. It seems completely empty of stars or galaxies. The galaxy's odd location on the edge of this never-land led stargazer Stephen James O'Meara to dub it the "Lost-In-Space galaxy" in his 2007 book, Hidden Treasures. NGC 6503 is 18 million light-years away from us in the northern circumpolar constellation of Draco. NGC 6503 spans some 30,000 light-years, about a third of the size of the Milky Way. Photo Credit: NASA, ESA, D. Calzetti (University of Massachusetts), H. Ford (Johns Hopkins University), and the Hubble Heritage Team #nasa #space #hubble #hst #galaxy #astronomy #science; -
Astronaut Terry Virts (@Astro_Terry) shared this video of "Tropical Storm #Blanca as it made landfall yesterday." The International Space Station (@ISS) and its crew orbit Earth from an altitude of 250 miles, traveling at a speed of approximately 17,500 miles per hour, providing a great vantage point to observe the Earth below. Video credit: NASA #nasa #hurricane #tropicalstorm #iss #space #spacestation #internationalspacestation #storm #pacific #ocean #clouds #earth #earthobs; -
A new video animation of dwarf planet Ceres, based on images taken by NASA's Dawn spacecraft, provides dramatic flyover views of this heavily cratered, mysterious world. The images come from Dawn's first mapping orbit at Ceres, at an altitude of 8,400 mile (13,600 kilometers), as well as navigational images taken from 3,200 miles (5,100 kilometers) away. The images provided information for a three-dimensional terrain model. The vertical dimension has been exaggerated by a factor of two, and a star field has been added in the background. Video credit: NASA/JPL #ceres #dawn #nasadawn #nasajpl #jpl #nasa #space #dwarfplanet #planet #solarsystem #crater; -
Playing it conservatively, International Space Station flight controllers conducted a pre-determined avoidance maneuver today to steer the station well clear of a fragment of a spent Minotaur rocket body launched in 2013. Having tracked the object throughout the weekend and today, U.S. and Russian flight controllers executed a 5 minute, 22 second firing of the ISS Progress 58 thrusters at 2:58 p.m. CDT to slightly raise the station’s orbit and distance it from the fragment that was projected to pass within three statute miles of the complex later in the day. The maneuver raised the station’s altitude by just 106 feet at apogee and 7/10 of a mile at perigee, resulting in an ISS orbit of 254 x 244.8 statute miles. The crew was never in any danger and the maneuver will have no impact on the scheduled landing later this week of three crew members from the station. Seen here is a night view from the space station on May 18, 2015 that gives a view of brilliant city lights on the Earth’s surface shining beneath thousands of stars above. The thin line of Earth’s atmosphere can be seen with the green glow of aurora along the outer edge. Image credit: NASA #iss @iss #spacestation #space #nasa #astropics #stars; -
Aboard the International Space Station, astronaut Terry Virts posted this video June 2 of the moon setting and wrote, “Full moon #moonset.” Credit: NASA #nasa #space #moon #iss #astronauts #earth #spacestation @iss @astro_terry;
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This elliptical galaxy was discovered in March 1781 and lies about 60 million light-years away from Earth in the constellation of Virgo (The Virgin). The galaxy is part of the very heavily populated center of the Virgo Cluster, a cluster which consists of more than 1,000 galaxies. This image does not show the whole galaxy but only its very interesting center with intriguing dust lanes that stretch across it. This is likely to be the best image of the region ever captured. Previous observations using Hubble's Space Telescope Imaging Spectrograph (STIS) revealed a supermassive black hole in the center of Messier 84. Astronomers found the supermassive black hole by mapping the motion of the gas and the stars which are caught in its grip. Next to its interesting center Messier 84 is also known for its supernovae. Two supernovae have been observed within the galaxy. The first, SN1957, was discovered in 1957 and another, called SN1991bg, was discovered in 1991. Image credit: ESA/Hubble & NASA #nasa #hubble #hubble25 #space #astronomy #hst #galaxy #science; -
Fresh Martian Crater: The High Resolution Imaging Science Experiment (HiRISE) camera aboard our Mars Reconnaissance Orbiter acquired this closeup image of a "fresh" (on a geological scale, though quite old on a human scale) impact crater in the Sirenum Fossae region of Mars on March 30, 2015. This impact crater appears relatively recent as it has a sharp rim and well-preserved ejecta. The steep inner slopes are carved by gullies and include possible recurring slope lineae on the equator-facing slopes. Fresh craters often have steep, active slopes, so the HiRISE team is monitoring this crater for changes over time. The bedrock lithology is also diverse. The crater is a little more than 1-kilometer wide. Image Credit: NASA/JPL/University of Arizona #mars #nasa #mro #uarizona #hirise #crater #planets #science; -
At 1:35 p.m. local time (20:25 Universal Time ), on June 3, 2015, the Moderate Resolution Imaging Spectroradiometer (MODIS) on NASA’s Aqua satellite acquired this natural-color image of Hurricane Blanca off the coast of Mexico. The storm is the earliest second hurricane on record for the eastern Pacific Ocean. After intensifying rapidly, Blanca then weakened while passing over an area of upwelling. Forecasters expect the storm to strengthen as it moves north in the coming days. NASA image by Jeff Schmaltz, LANCE/EOSDIS Rapid Response. Caption by Adam Voiland.; -
In this Feb. 7, 1984 photograph taken by his fellow crewmembers aboard the Earth-orbiting Space Shuttle Challenger on the STS-41B mission, NASA astronaut Bruce McCandless II approaches his maximum distance from the vehicle. McCandless became the first astronaut to maneuver about in space untethered, during this first "field" tryout of a nitrogen-propelled, hand-controlled backpack device called the Manned Maneuvering Unit. For 50 years, NASA has been "suiting up" for spacewalking. The first American to conduct a spacewalk, astronaut Edward H. White II, floated into the vastness of space on the Gemini IV mission on June 3, 1965. Image Credit: NASA #nasa #space #eva #spacewalk #geminiiv #otd #spaceshuttle #history #suitup; -
50 years ago today, astronaut Ed White floated out of the Gemini IV spacecraft to become the first American to walk in space during the first Mission Controlled from Houston's manned spacecraft center. In this image, White floats in the microgravity of space outside the Gemini IV spacecraft. Behind him is the brilliant blue Earth and its white cloud cover. White is wearing a specially-designed space suit. The visor of the helmet is gold plated to protect him against the unfiltered rays of the sun. In his left hand is a Hand-Held Self-Maneuvering Unit with which he controls his movements in space. Credits: NASA/Jim McDivitt #nasa #space #gemini #otd #spacewalk #eva #spacewalk50 #suitup #missioncontrol #houston;
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