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
Maximum: $850. Concrete tile flooring can be inexpensive and very budget-friendly for most homeowners. The overall cost of materials depends on the quality, shape and quantity of tiles being used. Discounted concrete tiles can cost anywhere from $420 up to $530 for a 500-square-foot area. Premium grade can run from $930 up to $1,180, while luxury or designer grade concrete tile can cost anywhere from $1,030 up to $1,310. There are several different options when it comes to concrete flooring.