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May 7, 2015
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May 1, 2015 — Io, the innermost of the four moons of Jupiter discovered by Galileo Galilei in 1610 and only slightly bigger than our own moon, is the most geologically active body in our ... read more
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May 7, 2015
May 1, 2015 — The discovery of a strange exoplanet orbiting very close to a small cool star 500 light years away is challenging ideas about how planets ... read more
Apr. 30, 2015 — Astronomers have produced the first complete three-dimensional view of the famous Pillars of Creation in the Eagle Nebula, Messier 16. The new observations demonstrate how the different dusty pillars ... read more
Apr. 29, 2015 — Groundbreaking images of the Sun give a first-ever detailed view of the interior structure of umbrae -- the dark patches in the center of sunspots -- revealing dynamic magnetic fields responsible for ... read more
Apr. 29, 2015 — The sun's surface is blisteringly hot at 10,340 degrees Fahrenheit -- but its atmosphere is another 300 times hotter. This has led to an enduring mystery for those who study the sun: What heats ... read more
Apr. 28, 2015 — Astronomers discovered a planetary system orbiting a nearby star that is only 54 light-years away. All three planets orbit their star at a distance closer than Mercury orbits the sun, completing ... read more
Apr. 28, 2015 — Scientists have captured the first high-resolution images of the flaring magnetic structures known as solar flux ropes at their point of origin in the sun's ... read more
Apr. 28, 2015 — The MESSENGER spacecraft is the first ever to orbit the planet Mercury, and the spacecraft's seven scientific instruments and radio science investigation are unraveling the history and evolution ... read more
Apr. 28, 2015 — How soon after the Big Bang could water have existed? Not right away, because water molecules contain oxygen and oxygen had to be formed in the first stars. Then that oxygen had to disperse and unite ... read more
Apr. 27, 2015 — Astronomers find that 'central engines' in supernova explosions can come in different strengths, and include those that produce powerful blasts of gamma rays, and weaker versions that ... read more
Apr. 27, 2015 — Astrophysicists have created a 3-D map of the universe that spans nearly two billion light years and is the most complete picture of our cosmic neighborhood to ... read more
Apr. 27, 2015 — The E-sail is a novel propellantless technology that was invented in Finland in 2006. The E-sail utilizes long, charged tethers to convert natural solar wind momentum flux into spacecraft ... read more
Apr. 24, 2015 — A long-standing puzzle regarding the nature of disk galaxies has finally been solved by a team of astronomers using state-of-the-art theoretical models. The new study shows that groups of stars with ... read more
Apr. 24, 2015 — Galaxies are often found in clusters, which contain many 'red and dead' members that stopped forming stars in the distant past. Now an international team of astronomers have discovered that ... read more
Apr. 23, 2015 — Inside NASA's giant thermal vacuum chamber, called Chamber A, at NASA's Johnson Space Center in Houston, the James Webb Space Telescope's Pathfinder backplane test model, is being ... read more
Apr. 23, 2015 — We know of about two dozen runaway stars, and have even found one runaway star cluster escaping its galaxy forever. Now, astronomers have spotted 11 runaway galaxies that have been flung out of their ... read more
Apr. 23, 2015 — The glittering tapestry of young stars flaring to life in this new NASA/ESA Hubble Space Telescope image aptly resembles an exploding shell in a fireworks display. This vibrant image of the star ... read more
Thick Atmosphere of Saturn's Moon Titan Fluctuates With Sun's Cycle
Apr. 22, 2015 — Saturn's moon Titan is the only moon in the solar system that has an atmosphere as thick as Earth's, consisting of more than 98 percent nitrogen, roughly 1.4 percent of methane, and smaller ... read more
Apr. 22, 2015 — Star system Tau Ceti has long been used in science fiction as a very likely place to have life due to its proximity to Earth and the star's sun-like characteristics. Since December 2012 Tau Ceti ... read more
Apr. 22, 2015 — Researchers can now explain how asteroids are formed. Our own planet also has its origins in the same process, a cosmic ocean of millimeter-sized particles that orbited the young sun, according to ... read more
Apr. 22, 2015 — Astronomers have made the first-ever direct detection of the spectrum of visible light reflected off an exoplanet. These observations also revealed new properties of this famous object, the first ... read more
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