Q43. The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometers long, with lasers shining between the craft.” The experiment in question refers to
(a) Voyager-2
(b) New Horizons
(c) LISA Pathfinder
(d) Evolved LISA
Answer: D
- Evolved Laser Interferometer Space Antenna (eLISA) is a spectacular plan of getting into space three spacecraft, a mother and two daughter spacecraft, which will fly in a triangular formation, trailing the earth in its orbit around the sun at a distance of over. eLISA seeks to measure gravitational waves in the frequency range from 0.1 MHz to about 100 MHz. To achieve this, it is necessary for the interferometers to have an arm length of a million kilometers and that is impossible to achieve with an earth-based setup.
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