description LISA Overview
LISA (Laser Interferometer Space Antenna) is a planned space-based gravitational-wave observatory led by the European Space Agency in partnership with NASA. It will consist of three spacecraft arranged in a triangular constellation trailing the Earth in solar orbit, exchanging laser beams to detect low-frequency waves. Its primary science targets include mergers of supermassive black holes and extreme mass-ratio inspirals.
help LISA FAQ
What is the primary goal of the LISA space mission?
Led by the European Space Agency, LISA is designed to be the first space-based observatory dedicated to detecting gravitational waves. It will specifically target low-frequency waves generated by merging supermassive black holes.
How does the LISA observatory function in space?
The mission will consist of three identical spacecraft flying in a triangular formation, separated by millions of kilometers. By firing lasers between these spacecraft, it can measure the incredibly minute distortions caused by passing gravitational waves.
When is the LISA mission scheduled to launch?
The mission is currently planned for launch in the 2030s. It will rely on ultra-precise technology, much of which was successfully tested in space by ESA's LISA Pathfinder demonstration mission.
Why is LISA better than ground-based gravitational wave detectors?
Ground-based detectors like LIGO are physically limited in size and can only detect high-frequency waves. By operating in space, LISA's massive arm lengths will allow it to capture the low-frequency ripples produced by supermassive black holes.
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