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Uranus' moon Titania

Like all of the Solar Systems' gas giants, Uranus has an extensive system of moons. In fact, astronomers can now account for 27 moons in orbit around Uranus. Of these, none are greater in size, mass, or surface area than ...

dateJul 06, 2015 in Space Exploration
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The physical properties of dense molecular clouds

Small, dense interstellar clouds of gas and dust, containing hundreds to thousands of solar-masses of material, are suspected of being the precursors to stars and stellar clusters. These so-called cores, with gas densities ...

dateJun 25, 2015 in Astronomy
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Star formation near supermassive black holes

Most if not all galaxies are thought to host a supermassive black hole in their nuclei, a finding that is both one the most important and amazing in modern astronomy. A supermassive black hole grows by accreting mass, and ...

dateJun 22, 2015 in Astronomy
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Uranus' moon Umbriel

The 19th century was an auspicious time for astronomers and planet hunters. In addition to the discovery of the Asteroid Belt that rests between Mars and Jupiter – as well as the many minor planets within – the outer ...

dateJun 08, 2015 in Space Exploration
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Herschel's hunt for filaments in the Milky Way

Observations with ESA's Herschel space observatory have revealed that our Galaxy is threaded with filamentary structures on every length scale. From nearby clouds hosting tangles of filaments a few light-years long to gigantic ...

dateMay 29, 2015 in Astronomy
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