Tags and filters

Search results

2 item(s) found Sort by
  1. Measuring time to the thousand-billionth of a second

    Publishing date:

    June 29, 2010

    Since 7 June 2010, the Paris Observatory and Côte d’Azur Observatory have been firing lasers into space—more specifically at the T2L2 instrument on the Jason-2 satellite. The purpose of this experiment, coordinated by CNES, is to synchronize two remote clocks with unprecedented levels of precision.

    Associated tags:

  2. CALIPSO switches to back-up laser

    Publishing date:

    May 7, 2009

    After 3 years operating flawlessly, the French-US satellite’s laser has failed. This contingency had been expected and CALIPSO has successfully switched to its back-up laser.

    Associated tags: