News tagged with astronomer

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The dark side of galactic radio jets

Cosmic microwave radiation points to invisible 'dark matter', marking the spot where jets of material travel at near light speed, according to an international team of astronomers. Lead author Rupert Allison of Oxford University ...

dateJul 08, 2015 in Astronomy
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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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Monster black hole wakes up after 26 years

Over the past week, ESA's Integral satellite has been observing an exceptional outburst of high-energy light produced by a black hole that is devouring material from its stellar companion.

dateJun 25, 2015 in Astronomy
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Measuring the mass of a Mars-size exoplanet

Determining the size of an Earth-size exoplanet by the amount of starlight it blocks hundreds of light-years away once was the realm of science fiction. Measuring the mass of such a small planet based on its gravity was ...

dateJun 18, 2015 in Astronomy
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