Crouton&Friends🏳️🌈It has been a hectic couple weeks here at the Sanctuary. We could really use your help. Visit squirrelwood.org/donate
Dr. Lisa Locke
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Robert McNees
Carl Sagan passed away #OTD in 1996. In his final interviews he left us with two messages that are even more relevant today: one emphasizing the importance of a science literate public, the other a warning about how hard it is to extract ourselves when we’ve been conned.
So Michelson's interferometry work, culminating in his "failed experiment" with Morley, was an essential step in Einstein’s discovery of special relativity.
But it was also central to a remarkable direct test of *general* relativity!
The interferometers used by @LIGO to detect gravitational waves, while differing in size and sophistication, employ the same principles as Michelson's original design.
Scott Tilley#KPLO Doppler update for 2022-12-19 UTC. The spacecraft spent much of the pass unlocked from ground stations and when it was about 5 degrees above the horizon in South Korea it locked in 2-way mode to KDSA for the first time from my perspective since before LOI1. JPL Horizons data remains at the Dec 12th update so the cold LOI1 burn is really obvious in the comparison now.
@Stickfigureme Happy Hannukah Jack and Stick!