Detecting gravitational wave memory

Detecting gravitational wave memory

Now that gravitational waves have been directly detected, we can begin to use binary black hole mergers to probe strange consequences of strong-field general relativity. Today’s post examines the prospect of detecting an effect called gravitational-wave memory, and considers its potential for helping you get in shape for summer.

Planet IX

Planet IX

Get ready to come up with a new mnemonic for the planets. The orbits of distant objects suggest that there may be something lurking in the outer Solar System as big as Neptune!

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