Gravitational waves were a significant part of Albert Einstein's
general theory of relativity, which viewed space itself as a malleable
construct, and the gravity of massive objects as a force that could effectively
warp it.
In 1916, Albert Einstein published his famous Theory of General Relativity. His theory describes how space-time is affected by mass. We can think of space-time as a fabric that bends or curves when we place an object on it. Keep in mind that the 2-dimensional fabric analogy is just a model we use to represent what is actually 4-dimensional space-time (the normal three dimensions of space, plus a fourth dimension of time).
In 1916, Albert Einstein published his famous Theory of General Relativity. His theory describes how space-time is affected by mass. We can think of space-time as a fabric that bends or curves when we place an object on it. Keep in mind that the 2-dimensional fabric analogy is just a model we use to represent what is actually 4-dimensional space-time (the normal three dimensions of space, plus a fourth dimension of time).
Indgo: THE INDIAN INITIATIVE IN GRAVITATIONAL-WAVE OBSERVATIONS, is an
initiative to set up advanced experimental facilities, with appropriate
theoretical and computational support, for a multi-institutional Indian
national project in gravitational-wave astronomy.
Since 2009, the indigo Consortium
has been involved in constructing the Indian road-map for Gravitational Wave
Astronomy and a phased strategy towards Indian participation in realizing the
crucial gravitational-wave observatory in the Asia-Pacific region.
The current major indigo plans on gravitational-wave astronomy relate
to the LIGO-India project. LIGO-India is a proposed advanced gravitational-wave
detector to be located in India, whose concept proposal is now under active
consideration by the science funding agencies in India and USA..
Gravitational-wave science holds the potential to address some of the key
questions in fundamental physics, astrophysics and cosmology.
These include the
correctness of the theory of General Relativity and constraining its validity
under strong gravity conditions, properties of gws and the nature of black
holes, equation of state of neutron stars, abundance of stellar-mass black
holes and the existence of intermediate-mass black holes, merger history of
galaxies and supermassive black holes, the central engine of gamma ray bursts,
internal processes of supernovae, nature of dark energy, and phase transitions
in the early Universe.
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