Hubble Reveals Observable Universe Contains 10 Times More Galaxies Than Previously Thought

The universe suddenly looks a lot more crowded, thanks to a deep-sky census assembled from surveys taken by NASA’s Hubble Space Telescope and other observatories. Astronomers came to the surprising conclusion that there are at least 10 times more galaxies in the observable universe than previously thought. The results have clear implications for galaxy formation,…

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Artist's Illustration of Scenario for Plasma Ejections from V Hydrae

Great balls of fire! NASA’s Hubble Space Telescope has detected superhot blobs of gas, each twice as massive as the planet Mars, being ejected near a dying star. The plasma balls are zooming so fast through space it would take only 30 minutes for them to travel from Earth to the moon. This stellar “cannon…

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Rosetta Mission

Rosetta is set to complete its historic mission in a controlled descent to the surface of its comet on 30 September, with the end of mission confirmation predicted to be within 20 minutes of 11:20 GMT (13:20 CEST). Details of how, when and where to follow the key moments online, starting with a review of…

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ESA Hangout: The Rosetta Finale

ESA’s Rosetta spacecraft is set to complete its incredible mission in a controlled descent to the surface of Comet 67P/Churyumov–Gerasimenko on 30 September. Mission experts joined an ESA Hangout on 19 September to discuss Rosetta’s final days and hours of operation, including expectations for the images and other scientific data that will be collected as…

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Clockwise from top: ESA’s Matthias Maurer, Lina Tomelleri, Giorgio Tomelleri, Anna Maria Fioretti from the Institute of Geosciences and Earth Resources (IGG), an institute of National Research Council of Italy, and ESA astronauts Pedro Duque and Luca Parmitano. The group are posing with meteorites during the Pangaea course that is teaching astronauts how to identify…

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GAIA: The Billion Star Surveyer

Launched in December 2013, Gaia is destined to create the most accurate map yet of the Milky Way. By making accurate measurements of the positions and motions of stars in the Milky Way, it will answer questions about the origin and evolution of our home galaxy. The first intermediate data release, detailed in the video…

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USS Enterprise Shaped nebulae in Deep Space

Just in time for the 50th anniversary of the TV series “Star Trek,” which first aired September 8th,1966, a new infrared image from NASA’s Spitzer Space Telescope may remind fans of the historic show. Since ancient times, people have imagined familiar objects when gazing at the heavens. There are many examples of this phenomenon, known…

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Saturn's Moon Titan

New scenes from a frigid alien landscape are coming to light in recent radar images of Saturn’s largest moon, Titan, from NASA’s Cassini spacecraft. Cassini obtained the views during a close flyby of Titan on July 25, when the spacecraft came as close as 607 miles (976 kilometers) from the giant moon. The spacecraft’s radar…

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Philae Lander

Less than a month before the end of the mission, Rosetta’s high-resolution camera has revealed the Philae lander wedged into a dark crack on Comet 67P/Churyumov–Gerasimenko. The images were taken on 2 September by the OSIRIS narrow-angle camera as the orbiter came within 2.7 km of the surface and clearly show the main body of…

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Mars

NASA is moving forward with a spring 2018 launch of its InSight mission to study the deep interior of Mars, following final approval this week by the agency’s Science Mission Directorate. The Interior Exploration using Seismic Investigations, Geodesy and Heat Transport (InSight) mission was originally scheduled to launch in March of this year, but NASA…

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