What is the purpose of ‘evolved Laser Interferometer Space Antenna (eL

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What is the purpose of ‘evolved Laser Interferometer Space Antenna (eLISA) project?

To detect neutrinos
To detect gravitational waves
To detect the effectiveness of missile defence system
To study the effect of solar flares on our communication systems
This question was previously asked in
UPSC IAS – 2017
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The purpose of the ‘evolved Laser Interferometer Space Antenna (eLISA)’ project (now referred to as LISA) is to detect gravitational waves.
LISA is a space-based observatory designed to detect gravitational waves from cosmic sources like merging black holes, neutron stars, and other violent events in the universe, particularly those producing lower frequencies than detectable by ground-based observatories like LIGO.
LISA is a collaborative mission led by the European Space Agency (ESA). It consists of three spacecraft forming a vast triangle in space, using laser interferometry to measure tiny distortions in spacetime caused by passing gravitational waves.

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