The beam is wide enough at that distance to hit a lot of stars, and still be strong enough for someone to notice. But I can't send a radio signal through the ground.
如果能做到，我会对准最近的星系，在这样遥远的距离上，波束会发散的足够广阔，会覆盖到许多星星。
The beam is wide enough at that distance to hit a lot of stars, and still be strong enough for someone to notice. But I can't send a radio signal through the ground.
如果能做到，我会对准最近的星系，在这样遥远的距离上，波束会发散的足够广阔，会覆盖到许多星星。
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