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Researchers home in on likely whereabouts of Planet Nine

27 February 2016 Astronomy Now

Using observations from NASA’s Cassini spacecraft, a team of French astronomers from the Institut de mécanique céleste et de calcul des éphémérides, and the laboratory GeoAzur have been able to specify the possible positions of a ninth planet in the Solar System.

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First light for future black hole probe

13 January 2016 Astronomy Now

Zooming in on black holes is the main mission for the newly installed GRAVITY instrument at ESO’s Very Large Telescope in Chile. During its first observations, GRAVITY successfully combined starlight using all four 1.8-metre Auxiliary Telescopes. The first observations using GRAVITY with the four 8-metre VLT Unit Telescopes are planned for later in 2016.