Which of the following accurately describe some aspect of gravitational waves? select all that apply.

(a) gravitational waves come from funnel-shaped regions of the universe
(b) gravitational waves are predicted to travel through space at the speed of light
(c) the existence of gravitational waves is predicted by newton's universal law of gravitation
(d) the first direct detection of gravitational waves came in 2015
(e) the existence of gravitational waves is predicted by einstein's general theory of relativity
(f) gravitational waves carry energy away from their sources of emission
(g) gravitational waves are an extremely low-energy form of light

-The first direct detection of gravitational waves came in 2015

-The existence of gravitational waves is predicted by Einstein's general theory of relativity

-Gravitational waves carry energy away from their sources of emission

Gravitational waves were discovered (theoretically) by Albert Einstein in 1916 and "observed" for the first time in direct form in 2015 (although the results were published in 2016).  

These gravitational waves are fluctuations or disturbances of space-time produced by a massive accelerated body, modifying the distances and the dimensions of objects in an imperceptible way.  

In this context, an excellent example is the system of two neutron stars that orbit high speeds, producing a deformation that propagates like a wave, in the same way as when a stone is thrown into the water. So, in this sense, gravitational waves carry energy away from their sources .

Therefore, the correct options are D, E and F.

object 2 because all the other ones are wrong

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