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Picture of the day

Durman Hill at Volga River bank in Saratov Oblast, Russia

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This animation compares the X-ray 'heartbeats' of GRS 1915 and IGR J17091, two black holes that ingest gas from companion stars. The data was recorded by Rossi X-ray Timing Explorer (RXTE).

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Picture of the Year

Help select the 2019 Picture of the Year. Final round ends 19 April.

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Monthly photo challenge

Take some photos and upload them to meet our monthly thematic challenge, get inspiration and try new subjects! Learn more about the challenges!

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If you are browsing Commons for the first time, you may want to start with Featured pictures, Quality images, Valued images or Featured videos.

You can also see some work created by our highly skilled contributors in Meet our photographers and Meet our illustrators. You may also be interested in Picture of the Year.

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