“The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft.” The experiment in question refers to
[UPSC Civil Services Exam – 2020 Prelims]
(b) New horizons
(c) Lisa Pathfinder
(d) Evolved LISA
- LISA- Laser Interferometer Space Antenna.
- It is a laser interferometric gravitational wave observatory in space with 3 spacecraft in heliocentric orbit and million km arm length.
- eLISA is a mission aiming at exploring the Gravitational Universe from space for the first time.