Template:Motd/2020-04-11 (en)

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).

This is the English translation of the Media of the day description page from 11 April 2020.

Descriptions in other languages: