LIFTOFF! The Falcon 9 rocket lifted off at 9:39 a.m. EST, and the Dragon cargo vehicle is on orbit heading to the International Space Station with an arrival scheduled for Wednesday, Feb. 22. It will deliver science and supplies to the crew living and working on station. Follow along at: http://www.nasa.gov/spacex CREDIT: NASA #nasa #space #spacex #spacex #launch #cargo #spacestation #rocket #science
While this lovely image contains hundreds of distant stars and galaxies, one vital thing is missing - the object Hubble was actually studying at the time! This is not because the target has disappeared. The telescope's camera actually uses two detectors: the first captures the object being studied - in this case an open star cluster known as NGC 299 - while the other detector images the patch of space just 'beneath' it. This is what can be seen here. Technically, this picture is merely a sidekick of the actual object of interest - but space is bursting with activity, and this field of bright celestial bodies offers plenty of interest on its own. It may initially seem to show just stars, but a closer look reveals many of these tiny objects to be galaxies. The spiral galaxies have arms curving out from a bright center. The fuzzier, less clearly shaped galaxies might be ellipticals. Some of these galaxies contain millions or even billions of stars, but are so distant that all of their starry residents are contained within just a small pinprick of light that appears to be the same size as a single star! The bright blue dots are very hot stars, sometimes distorted into crosses by the struts supporting Hubble's secondary mirror. The redder dots are cooler stars, possibly in the red giant phase when a dying star cools and expands. Image credit: ESA/Hubble & NASA #nasa #space #hubble #hst #astronomy #galaxy #stars #nasabeyond #science
The tenth SpaceX cargo resupply launch to the International Space Station (@ISS), targeted for launch Feb. 18, will deliver SAGE III to measure stratospheric ozone, aerosols, and other trace gases by locking onto the sun or moon and scanning a thin profile of the atmosphere. Understanding these measurements will allow national and international leaders to make informed policy decisions regarding the protection and preservation of Earth's ozone layer. Ozone in the atmosphere protects Earth's inhabitants, including humans, plants and animals, from harmful radiation from the sun, which can cause long-term problems such as cataracts, cancer and reduced crop yield. During Expedition 45, ESA astronaut Andreas Mogensen captured pictures of blue jets, elusive electrical discharges in the upper atmosphere, with the most sensitive camera on the orbiting outpost to look for these brief features. Credits: ESA/NASA #nasa #space #earth #iss #spacestation #ozone #sage3 #atmosphere #spacex #isscargo #science
Aboard the International Space Station (@ISS), astronaut Thomas Pesquet (@thom_astro) of the European Space Agency (@europeanspaceagency) snapped this photo and wrote, "Looking down at Earth's features, I often forget that looking sideways is equally impressive!" Credit: NASA/ESA #nasa #space #iss #spacestation #astronauts #esa #earth #Proxima
The Andromeda constellation is home to the pictured galaxy. Many different classifications are used to identify galaxies by shape and structure - this one is a barred spiral type. These are recognizable by their spiral arms, which fan out not from a circular core, but from an elongated bar cutting through the galaxy's center. There is evidence that this galaxy has experienced some kind of interaction in its past. Galaxies contain vast amounts of mass, and therefore affect one another via gravity. Sometimes these interactions can be mild, and sometimes hugely dramatic, with two or more colliding and merging into a new, bigger galaxy. Understanding the history of a galaxy, and what interactions it has experienced, helps astronomers to improve their understanding of how galaxies - and the stars within them - form. Image credit: ESA/Hubble & NASA #nasa #hst #hubble #nasabeyond #astronomy #galaxy #andromeda #science
This artist's concept shows a massive, comet-like object falling toward a white dwarf. New Hubble Space Telescope findings are evidence for a belt of comet-like bodies orbiting the white dwarf, similar to our solar system's Kuiper Belt. The findings also suggest the presence of one or more unseen surviving planets around the white dwarf, which may have perturbed the belt to hurl icy objects into the burned-out star. Credits: NASA, ESA, and Z. Levy (STScI) #nasa #space #hst #hubble #nasabeyond #astronomy #comet #star #whitedwarf #science
Jupiter from below! This enhanced-color image of Jupiter's south pole and its swirling atmosphere was created by citizen scientist Roman Tkachenko using data from the JunoCam imager on our Juno spacecraft. Juno acquired the image, looking directly at the Jovian south pole, on February 2, 2017, at 6:06 a.m. PST (9:06 a.m. EST) from an altitude of about 63,400 miles (102,100 kilometers) above Jupiter's cloud tops. Cyclones swirl around the south pole, and white oval storms can be seen near the limb -- the apparent edge of the planet. Image Credit: NASA/JPL-Caltech/SwRI/MSSS/Roman Tkachenko @nasajpl #nasa #jupiter Juno #planets #nasabeyond #solarsystem #science
Comet hunters still have a chance to see comet 45P/Honda-Mrkos-Pajdušáková in the next few days using binoculars or a telescope. It's the first of a trio of comets that will -- between now and the end of 2018 -- pass close enough to Earth for backyard observers to try to spot and for scientists to study using ground-based instruments. This image of Comet 45P/Honda-Mrkos-Pajdušáková was captured using a telescope on December 22 from Farm Tivoli in Namibia, Africa. Credits: Gerald Rhemann #nasa #comet #comet45p #45p #astronomy #nasabeyond #science
Spectacular displays of nature! The is a night view of Hawaii's Kilauea Volcano, one of Earth's most active volcanoes, drawing scientists and tourists alike from all over the world to study and witness. This month, a NASA-led science team is exploring Kilauea and the adjacent volcano Mauna Loa from the air, ground and space. Their goal: to better understand volcanic processes and hazards. Night view of Hawaii's Kilauea Volcano, one of Earth's most active volcanoes. Credits: NASA #nasa #volcano #kilauea #loa #earth #earthrightnow #hawaii #science
Good morning! A sunrise photo of Edwards Air Force Base's Rogers Dry Lake was taken after heavy rainfall in southern California. Our Armstrong Flight Research Center is seen in the foreground. Rogers Dry Lake is a 44-square-mile area used for aviation research and test operations. An additional 22 square miles of similar smooth clay surface is provided by nearby Rosamond Dry Lake. Rogers Dry Lake is the larger of the two and has been used as the landing site for early space shuttle test and operational flights. Both lakebeds have been used for emergency and test landings of aircraft for more than 50 years. Rogers Dry Lake has been declared a National Historic Landmark by the National Park Service, U.S. Department of Interior, because of its role in the development of the nation's space program and in the development of aerospace systems. Image Credit: NASA/Lauren Hughes #nasa #armstrong #rogersdrylake #sunrise #nps #nationalpark #lake
[Artist Concept] Black Hole Meal Sets Record for Duration And Size: A giant black hole ripped apart a star and then gorged on its remains for about a decade, according to astronomers. This is more than ten times longer than any observed episode of a star's death by black hole. The trio of orbiting X-ray telescopes found evidence for a "tidal disruption event" (TDE), wherein the tidal forces due to the intense gravity from a black hole can destroy an object - such as a star - that wanders too close. During a TDE, some of the stellar debris is flung outward at high speeds, while the rest falls toward the black hole. As it travels inwards to be ingested by the black hole, the material heats up to millions of degrees and generates a distinct X-ray flare. Artist's illustration depicts what astronomers call a "tidal disruption event," or TDE. Credits: Illustration: CXC/M. Weiss #nasa #space #nasabeyond #astronomy #blackhole #science
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