Articles by Astronomy Now

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Aurora Bird by Jan R Olsen

14 September 2016 Astronomy Now

The vivid green Northern Lights resemble a bird soaring over open water in Olderdalen, Norway. This image, by Jan R Olsen of Norway, is one of those shortlisted in this year’s Insight Astronomy Photographer of the Year competition.

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Barely bisected rings

13 September 2016 Astronomy Now

Saturn’s shadow stretched beyond the edge of its rings for many years after the NASA/ESA/ASI Cassini spacecraft first arrived at Saturn, casting an ever-lengthening shadow that reached its maximum extent at the planet’s 2009 equinox. This image captured the moment in 2015 when the shrinking shadow just barely reached across the entire main ring system.

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Monster lurks at the core of a lenticular galaxy

12 September 2016 Astronomy Now

This scene captured by the NASA/ESA Hubble Space Telescope shows PGC 83677, a lenticular galaxy — a galaxy type that sits between the more familiar elliptical and spiral varieties in the Hubble sequence. Studies have uncovered signs of a monstrous black hole in the core of PGC 83677 that is spewing out high-energy X-rays and ultraviolet light.

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Alone by Lee Cook

10 September 2016 Astronomy Now

With temperatures close to –15 degrees, it’s not surprising that the photographer was the only soul in the vicinity of Plateau Hut in Mount Cook National Park, New Zealand. This image is one of those shortlisted in the Insight Astronomy Photographer of the Year competition.