Astronomy Photographer of the Year

The results of this year's competition organized by the Royal Observatory of Greenwich brought some great images of the sky from differents parts of the planet.

This perfect ring in the sky is an annular eclipse. Photo by Dhruv Paranjpye, 14, from India.

Aurora borealis, seen outside Yellowknife in the Northern Territories by Canadian Dave Brosha.

The solstice full moon over the temple of Poseidon, south of Athens. By Anthony Aylomamitis, Greece.

This year's grand winner was this picture by American photographer Tom Lowe, a view of the Milky Way from the Sierra Nevada, framed by a bristlecone pine.

And a simple, total eclipse by Greek photographer Anthony Aylomamitis in Siberia.