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
You canât scratch or dent a concrete floor. It also can make a fashion statement. Added dyes and etching techniques can turn gray, boring concrete into your homeâs star attraction. Cost ranges from downright cheap ($2 per square foot) to relatively pricey ($30 per square foot, depending on finishes). Obviously, concrete is heavy. If youâre putting in new concrete floors on grade, the weight wonât be a concern.