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
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.hat are the extra costs? 1  Experts recommend that you install a large baseboard along the flooring. 2  To avoid a wetter look, a silcone-based sealer will be required, which can add another $1 to $2 per square foot to the job. 3  Older concrete that needs to be patched or fixed can cost around $2 to $5 per square foot.