A Memory of the Laser Interferometric Space Antenna (LISA)

Five years ago, I was considering a position as a scientist within the LISA project initiated by ESA with NASA collaborating. This is essentially a gravitational observatory like LIGO, but positioned in space with much higher resolution and a broader and lower range of energies to observe. The position would have involved both laser technical issues (as the massive laser system would be stationed rather inaccessibly at a Lagrange Point in what was thought to be a “permanent orbit” with Earth) and gravitational field measurements.

What you will see below is my own parallel-coded simulation of LISA using iMac minis in orbit, post-launch, and upto 2 years after launch, based on the intial weight of the primary vehicle and orbital dynamics supplied by ESA. These changed over time, in part, because of the public comment I and others offered. The value of public comment should never be undervalued.

The second attempt to simulate the LISA spacecraft in 2035-2036 CE just after an imagined launch in Spring, 2034 to the L1 point.

Why public comment can make a difference. This was the original orbital dynamics published by LISA that I took to the next level, simulating the other worlds involved, including ours. These have now ALL changed to something more accommodating to human life and non-fatal collisions. Again, for this reason the video above is of interest as a vital memory.

THE PRESENT LISA dynamic is below, stil centered on L1, but not in L1.

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