Ariel 5
21 Sep 2009



Ariel 5 carried six experiment payloads, including research into X-rays and photons. It discovered V616 Monocerotis, the nearest known black hole to planet Earth, and provided mankind with proof of their existence


​​​​​Ariel 5

​RAL Space Involvement

Project management, operations, ground-system hardware and software for planning, data processing

​Mission Objectives
To carry out cosmic X-ray studies that measured the spectra, polarization, and pulsar features of X-ray sources​​​​

Launch Date
15 Oct 1974

British Aircraft Corp, NASA, University of Birmingham, UCL, University of Leicester​, Imperial College

Further Project Information
NASA (link opens in a new window)

For more information please contact: RAL Space Enquiries