‘Goodnight’ Kepler

One of the most popular mission of NASA, Kepler Space telescope has come to an end!Kepler is named after the German Astronomer and Mathematician, Johannes Kepler. In the seventeenth century, Johannes Kepler put forward his laws of planetary motion. These are three laws describing the movement of a planet around the Sun.

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Gravitational Waves

Space-time is a 4-dimensional structure, but we can’t actually even visualize a 4-dimensional space-time because we can’t see the dimension of time as our brain creates a 3-dimensional model of everything we see. So, we represent it with two dimensions, like a fabric.

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