Content for "cnes.fr"
17 November 2004
ARTA - guaranteeing launcher reliability
All launchers have to be qualified before going on the market. But qualification work doesn’t end with the first commercial launch. Throughout its operating life, all the critical elements of the Ariane launcher undergo regular testing to maintain its qualification status. Conducted as part of the ARTA* programme, these tests concern all kinds of elements—from the smallest, weighing only a few kilograms, to the largest, like the MPS.
8 November 2004
Two experimental projects
Initiated by CNES, Pre-X is an experimental vehicle designed to demonstrate for the first time in Europe the ability to re-enter the atmosphere using a gliding trajectory, like an aircraft.
8 October 2004
A new generation
In December 2004, after a final series of checks and adjustments, the Helios IIA satellite is scheduled to join its 2 predecessors, Helios IA and IB, in orbit.
4 October 2004
Gamma-ray bursts reveal violent phenomena
24 September, the HETE-2 satellite detected an intense burst of gamma radiation characteristic of the most violent phenomena in the Universe. It located the event within just 14 seconds and relayed the information to observatories on the ground.
During its first orbital revolutions around Saturn, Cassini’s observations of the planet’s satellites whetted the appetite of mission scientists in expectation of the more in-depth studies to come, which should tell us more about these celestial objects and their history.