What is the purpose of 'evolved Laser Interferometer Space Antenna (eLISA)' project?
a
To detect neutrinos
b
To detect gravitational waves
c
To detect the effectiveness of missile defence system
d
To study the effect of solar flares on our communication systems
Space Technology & AstronomyGravitational Wave DetectioneLISALaser Interferometer Space Antennagravitational wavesspace observatoryastrophysicsLIGO