Discover Questions

Do astronomers also know and study about aliens/ufos and other life out there? Suppose 1.25mol of a gas has a pressure of 0.98atm & a temp. of 295K. Given that R is 0.082L atm mol-1 K-1, what volume will this gas occupy? Is there any value of x with the property that x is less than x-1? Can someone please help me solve this problem in my calculus 2 review.? If we used Einstein field equation of gravity field how far of would it be if we used Newton gravity field equation,to know gravity in space?