Astronomy & Space news

Stellar activity can mimic misaligned exoplanets

The occultation of stellar active regions during the planetary transit can lead to inaccurate estimates of the characteristics of these exoplanets, especially the spin-orbit tilt angle. This was the conclusion of simulations ...

dateSep 20, 2016 in Astronomy
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Astronomers discover five new Neptune trojans

(—An international team of astronomers led by Hsing-Wen Lin of the National Central University in Taiwan has detected five new so-called "Neptune trojans" – minor bodies sharing the same orbit as the planet Neptune. ...

dateSep 20, 2016 in Astronomy report
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Titan's flooded canyons

The aptly named Titan, Saturn's largest moon, is remarkably Earth-like. Its diameter is only about 40% that of our planet, but Titan's nitrogen-rich, dense atmosphere and the geological activity at the moon's surface make ...

dateSep 20, 2016 in Space Exploration
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IRIS Space Observatory mission extended

Delivering the most detailed images of the sun's lower atmosphere ever recorded from space, the Interface Region Imaging Spectrograph (IRIS), built and operated by Lockheed Martin for NASA, has received more time to deliver ...

dateSep 20, 2016 in Space Exploration
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Shedding light on Pluto's glaciers

What is the origin of the large heart-shaped nitrogen glacier revealed in 2015 on Pluto by the New Horizons spacecraft? Two researchers from the Laboratoire de météorologie dynamique (CNRS/École polytechnique/UPMC/ENS ...

dateSep 19, 2016 in Space Exploration
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The Dynamic Duo: RAVE complements Gaia

The new data release of the Radial Velocity Experiment (RAVE) is the fifth spectroscopic release of a survey of stars in the southern celestial hemisphere. It contains radial velocities for 520 781 spectra of 457 588 unique ...

dateSep 19, 2016 in Astronomy
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The death of a planet nursery?

The dusty disk surrounding the star TW Hydrae exhibits circular features that may signal the formation of protoplanets. LMU astrophysicist Barbara Ercolano argues, however, that the innermost actually points to the impending ...

dateSep 19, 2016 in Astronomy
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