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zx7 t1_jdbbdhe wrote

Reply to comment by Riptide360 in Industry sees missed opportunity in deorbiting ISS by ye_olde_astronaut

>The tug boat NASA is building for $80 million could just as easily push up as it does down.

"Just as easily." It's much easier to deorbit something. Just decelerate it enough so that it's orbit intersects with the atmosphere. You can't just "push up" and expect the ISS to maintain a nice, circular orbit around the Earth.

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