The problem is that these stable orbits would only exist once you have crossed the threshold of the event horizon, where time and space flow into one another.
问题是,只有曾穿过黑洞视界的临界才会存在稳定轨道,那里时间与空间会流入其他地方。
2
The CBO figures show that this is a big problem with the House plan, whose shortfall will balloon beyond the ten-year horizon.