Ripples & waves* ripples & waves, the·plus michael (63) - let me carry your school books - Ripples in Spacetime: Einstein, Gravitational Waves, and.


Gravitational waves are ripples that propagate through spacetime. They are caused by extremely violent and energetic events, like the merging of two black holes. More than 100 years ago, Einstein predicted that these events would disrupt spacetime in the same way that a stone thrown into a pond would create a ripple effect. However, by the time these ripples reach Earth, they are so tiny only the most sensitive of instruments would be able to detect them—which is where LIGO comes in.

In 2002, Heidi Newberg (Rensselaer Polytechnic Institute) and colleagues found several clumps in the density of stars at the disk’s outermost edge, a clumpy structure now called the Monoceros Ring. Looking out along the disk with the galactic center behind us, we see the structure 30,000 light-years from the Sun, meaning it’s roughly 60,000 light-years from the galactic center. (The Sun is about halfway between the galactic center and the disk’s presumed edge.)


Ripples & Waves* Ripples & Waves, The·Plus Michael (63) - Let Me Carry Your School BooksRipples & Waves* Ripples & Waves, The·Plus Michael (63) - Let Me Carry Your School BooksRipples & Waves* Ripples & Waves, The·Plus Michael (63) - Let Me Carry Your School BooksRipples & Waves* Ripples & Waves, The·Plus Michael (63) - Let Me Carry Your School Books

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