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
Concrete Roof Tile Cost. Concrete tiles are expensive. They generally cost $400 to $900 per square (one square equals 100 square feet). High-end concrete costs as much as $1,000 per square.A typical two-story home has about 1,500 square feet of roof, bringing the total cost for materials and installation to $6,000 to $15,000.oncrete Roof Tile Cost. Concrete tiles are expensive. They generally cost $400 to $900 per square (one square equals 100 square feet). High-end concrete costs as much as $1,000 per square.