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
Basic concrete patio costs: $6 to $10 per square foot. Custom concrete patio costs: $10 to $15 per square foot. Advanced or complex designs: $15 or more per square foot. Average patio costs: $2,800 to $4,000.hose opting for hand coloring, unique angles or a special design will see the price rise to more than $15 per square foot. The average price that homeowners pay for a concrete patio is around $2,800 to just over $4,000, but some homeowners report spending as little as $1,000 or as much as $6,500.