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HANNOVER MESSE 2018, 23 - 27 April
Homepage>Exhibitors & Products >Institute for Gravitational Physics, AEI

Institute for Gravitational Physics, AEI

LISA - Gravitational wave observatory in space

Logo Uni Hannover - uni transfer

Exhibitor

Uni Hannover - uni transfer

Exhibitor details
Exhibitor details
Logo Institute for Gravitational Physics, AEI

Product description

In September 2015 the LIGO detectors made the first direct detection of gravitational waves on Earth, which were predicted by Einstein in 1916. With this first and further observations a new age of astronomy has begun.

The space observatory LISA (Laser Interferometer Space Antenna) will complement existing detectors by measuring gravitational waves that cannot be detected on Earth. LISA will observe low-frequency gravitational waves between 0.1 milli-Hertz and 1 Hertz, which will come from new events: galaxy collisions with mergers of supermassive black holes, millions or billions times the mass of our Sun, millions of binary stars in our Galaxy, or exotic sources such as cosmic strings.

Researchers from Hannover play a leading role in the development of the mission that will consist of three satellites. They will span a triangle with 2.5 million kilometer long sides that will be measured to picometer precision using laser light. The LISA Pathfinder test mission from 2015 to 2017 has impressively demonstrated that the technology required for LISA works.

The launch of the three satellites into space as a mission of the European Space Agency ESA is planned for 2034. The scientific measurements of LISA would begin one year after launch and the mission is planned to last at least 4 years and could be extended to last for as long as 10 years.

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