At that rate, it will take me about fifty-six days to build up a Martian atmosphere to an Earthlike standard pressure. Mar's atmosphere will be a lot ...thicker than Earth's. It has to be. With a surface gravity of 38% of Earth's and its smaller radius, there has to be about 2.7 times as much air above to exert the same pressure. But the thicker atmosphere will serve a very useful purpose. I plan to push the CO2 concentrations above 400 ppm, providing a thick thermal blanket to trap the heat.I'll. Brad and her boyfriend stripped from the waist down.Don said, “Start with Brad, I want to watch.”Brad stood in front of her and spread his legs. Regina got between his legs on a pillow and went to work. His boner was sticking straight out and already emitting pre-cum.She rubbed her hands lightly along his inner thighs, then licked both of them. Her long sexy hair brushed his legs. He loved the sensation of her hair and tongue. Regina licked very slowly closer and closer to his balls. Brad could. Mark's hand traveled up my body and settled at the top of my panties, in the middle of my back. I moved my hand from Mark's abs to join his embrace, as his tongue made love to my mouth. He used me as leverage to pull his body firmly against mine. I closed my eyes and moaned into Mark's mouth when I felt his warm, smooth cock against my soft skin.Our intense kissing continued while Mark gently guided me under him. I felt my body completely submerged under his, burying me in the bed. I affirmed. Being a young, I reached orgasm within minutes and bucked againstthe hand massaging my mound and wet quim and felt a flow of pleasurerelease from inside me. The tingles reached as far up as my nipples.Which became pointy and hard."There, there my sweet girl do you feel better now?" Henry asked.I lay there with my eyes closed, my breathing was quick as I enjoyed theafterglow of an orgasm. God had he really done that to me! Henry Matsenbent down and licked the last of the cum off the top of my.