At their closest recorded distance apart, which was 34.8 million miles, it would take 182 seconds (just over three minutes). At their maximum possible distance apart, which is 250 million miles, it would take approximately 22 minutes for the signal to reach Mars.
video on the cost of concrete floors depending on the level of complexity concrete floors can cost as little as $ 2 to $ 6 a square foot or be as expensive as $ 15 to $ 30 a square foot
1 On average, getting concrete floors can cost anywhere from as little as $2 to as much as $17 per square foot. 2  An economical option, which can just change the tone of the concrete floor, will typically cost less than $6.owever, with a pinch of polish and a touch of color, a boring slab of concrete can quickly turn into an eye opener. The cost of concrete floors will depend on the style that you choose for your home, the size of the room and the professional contractor performing the job.