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Hubble Image of the Week – The Hidden Dark Side of NGC 24

September 26, 2016

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New Hubble Image of NGC 24

This newly released Hubble images shows spiral galaxy NGC 24, which is located 25 million light-years away from Earth in the constellation of Sculptor. NGC 24 was discovered by British astronomer William Herschel in 1785, and measures some 40,000 light-years across. This picture was taken using the NASA/ESA Hubble Space Telescope’s Advanced Camera for Surveys, […]

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Astronomers Explore the Hubble Ultra Deep Field

September 23, 2016

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New Images of the Hubble Ultra Deep Field

Using the Atacama Large Millimeter/submillimeter Array, international teams of astronomers explore the distant corner of the Universe first revealed in the iconic images of the Hubble Ultra Deep Field (HUDF). New ALMA observations are significantly deeper and sharper than previous surveys at millimeter wavelengths. They clearly show how the rate of star formation in young […]

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Hubble Views Cosmic Fragments of Comet 332P/Ikeya-Murakami

September 19, 2016

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Hubble Views Comet 332P/Ikeya-Murakami

This newly released Hubble image shows comet 332P/Ikeya-Murakami. This intriguing new image captured with the NASA/ESA Hubble Space Telescope shows a dust-bathed cluster of fragments from a disintegrated comet. The comet in question, named 332P/Ikeya-Murakami, split into this shower of fragments in the closing months of 2015. Fragmenting comets such as 332P/Ikeya-Murakami have long been […]

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NASA’s Cassini Spacecraft Begins Final Year of Its Voyage

September 16, 2016

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Cassini Begins Final Year at Saturn

After more than 12 years of exploring Saturn, NASA’s Cassini Spacecraft has entered the final year of its voyage. The conclusion of the historic scientific odyssey is planned for September 2017, but not before the spacecraft completes a daring two-part endgame. Beginning on November 30, Cassini’s orbit will send the spacecraft just past the outer […]

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Charon’s Polar Coloring the Result of Seasonally Cold-Trapped Volatiles

September 14, 2016

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Charon’s Polar Coloring Comes from Pluto

New research reveals that Charon’s reddish polar coloring comes from Pluto itself. In June 2015, when the cameras on NASA’s approaching New Horizons spacecraft first spotted the large reddish polar region on Pluto’s largest moon, Charon, mission scientists knew two things: they’d never seen anything like it elsewhere in our solar system, and they couldn’t […]

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Speckle Imaging Helps Provide the Highest-Resolution Images Available of TRAPPIST-1

September 14, 2016

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The TRAPPIST-1 System

Using the Gemini-South telescope and a speckle imaging camera, a team of astronomers have obtained the highest-resolution images available of TRAPPIST-1. When it comes to exoplanets, astronomers have realized that they only know the properties of the planets they discover as well as they know the properties of the stars being orbited. For a planet’s […]

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NASA’s Curiosity Rover Views Layered Rock Formations

September 13, 2016

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Mars Rover Views Layered Rock Formations

The layered geologic past of Mars is revealed in stunning detail in new color images from NASA’s Curiosity Mars Rover, which is currently exploring the “Murray Buttes” region of lower Mount Sharp. Curiosity took the images with its Mast Camera (Mastcam) on September 8. The rover team plans to assemble several large, color mosaics from […]

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Mars Reconnaissance Orbiter Views a Streamlined Form in Lethe Vallis, Mars

September 13, 2016

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New Image of Lethe Vallis on Mars

This newly released image from NASA’s Mars Reconnaissance Orbiter shows a portion of Lethe Vallis, an outflow channel that also transported lava. This image was acquired at 15:16 local Mars time on May 6, 2016, by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA’s Mars Reconnaissance Orbiter. Another investigation of this area (Balme […]

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Hubble Image of the Week – Lenticular Galaxy PGC 83677

September 12, 2016

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New Hubble Image of PGC 83677

This newly released Hubble image shows lenticular galaxy PGC 83677, which is located 300 million light-years away. A lone source shines out brightly from the dark expanse of deep space, glowing softly against a picturesque backdrop of distant stars and colorful galaxies. Captured by the NASA/ESA Hubble Space Telescope’s Advanced Camera for Surveys (ACS), this […]

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Spitzer Telescope Views ‘Enterprise’ Nebulae

September 8, 2016

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Spitzer Views the Enterprise Nebulae

A new infrared image from NASA’s Spitzer Space Telescope may remind fans of Star Trek. Since ancient times, people have imagined familiar objects when gazing at the heavens. There are many examples of this phenomenon, known as pareidolia, including the constellations and the well-known nebulae named Ant, Stingray and Hourglass. On the right of the […]

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New Cassini Images Show Titan’s Dunes and Other Features

September 7, 2016

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New Images Show Titans Dunes and Other Features

New images from NASA’s Cassini spacecraft peer through the haze that surrounds Titan, revealing dunes and other interesting features. This video focuses on Shangri-la, a large, dark area on Titan filled with dunes. The long, linear dunes are thought to be comprised of grains derived from hydrocarbons that have settled out of Titan’s atmosphere. Cassini […]

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Astronomers Discover an Unusual Mix of Stars in Terzan 5

September 7, 2016

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Scientists Discover Rare Fossil Relic of Early Milky Way

An international team of astronomers has revealed the unusual mix of stars in the stellar cluster known as Terzan 5. The new results indicate that Terzan 5 is in fact one of the bulge’s primordial building blocks, most likely the relic of the very early days of the Milky Way. Using ESO’s Very Large Telescope […]

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Why So Blue? ESO Views Spiral Galaxy Messier 98

September 6, 2016

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Spiral Galaxy Messier 98

This newly released image shows spiral galaxy Messier 98, which is located about 50 million light-years away. The color blue has many associations — coldness, sadness, serenity. However, the color holds a completely different meaning for astronomers, as demonstrated by the edge-on spiral galaxy Messier 98. Messier 98, also known as NGC 4192, is located […]

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NASA’s Solar Dynamics Observatory Witnesses a Double Eclipse

September 6, 2016

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NASA’s SDO Views a Double Eclipse

NASA’s Solar Dynamics Observatory viewed both Earth and the moon crossing in front of the sun. SDO keeps a constant eye on the sun, but during SDO’s semiannual eclipse seasons, Earth briefly blocks SDO’s line of sight each day – a consequence of SDO’s geosynchronous orbit. On September 1, Earth completely eclipsed the sun from […]

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Hubble Image of the Week – Glowing Gas and Dark Dust in the LMC

September 6, 2016

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New Hubble Image of the Large Magellanic Cloud

A newly released image from the Hubble Space Telescope shows a maelstrom of glowing gas and dark dust within one of the Milky Way’s satellite galaxies, the Large Magellanic Cloud (LMC). This stormy scene shows a stellar nursery known as N159, an HII region over 150 light-years across. N159 contains many hot young stars. These […]

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Juno Images Provide an Unprecedented View of Jupiter

September 2, 2016

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New Images of Jupiter’s North Pole

Juno’s recent flyby of Jupiter has provided astronomers with images unlike anything previously seen. NASA’s Juno spacecraft has sent back the first-ever images of Jupiter’s north pole, taken during the spacecraft’s first flyby of the planet with its instruments switched on. The images show storm systems and weather activity unlike anything previously seen on any […]

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New Horizons Image Shows Pluto’s Methane Snowcaps

August 31, 2016

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New Pluto Image Shows Methane Snowcaps on the Edge of Darkness

This newly released image shows the southernmost part of Pluto that NASA’s New Horizons spacecraft could “see” during closest approach in July 2015. The image contains a range of fascinating geological features, and offers clues into what might lurk in the regions shrouded in darkness during the flyby. The area shown above is south of […]

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New Cassini Image Shows a Glowing Spot on Saturn’s B Ring

August 29, 2016

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New Cassini Image Surge in the Ring

This new image from NASA’s Cassini spacecraft shows an ethereal, glowing spot on Saturn’s B ring. There is nothing particular about that place in the rings that produces the glowing effect — instead, it is an example of an “opposition surge” making that area on the rings appear extra bright. An opposition surge occurs when […]

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