Enceladus might offer the greatest possibility for Earth-like life in the Saturnian system, but perhaps life takes on a different form? With a thicker atmosphere than Earth, the second-largest moon in our Solar System, Titan, was found to have liquid methane on its surface: oceans, rivers and even waterfalls! Could life make use of methane on another world the same way it makes use of water on Earth?
Pregnancy symptoms at 6 weeks. For most women, morning sickness begins between 6 and 8 weeks. You may also be exhausted and experiencing mood swings, which could be due to hormonal changes as well as the stress of wondering what lies ahead in your pregnancy. About 25 percent of women have spotting in early pregnancy.ormally you get your period about 4 weeks from the start of your last period, but if you're pregnant, the clearest sign at this point is a missed period. Many women still feel fine at 4 weeks, but others may notice sore breasts, fatigue, frequent urination, and nausea.
Many women wonder how early and how soon you can get and have pregnancy symptoms, what the earliest pregnancy signs and symptoms are, and whether you can feel implantation, conception, or loss of appetite.The simple answer is that you can get early pregnancy symptoms and signs even before you have a missed period.Early pregnancy symptoms such as implantation bleeding, loss of appetite, breast tenderness are often among the first signs and symptoms of pregnancy.he simple answer is that you can get early pregnancy symptoms and signs even before you have a missed period. Early pregnancy symptoms such as implantation bleeding, loss of appetite, breast tenderness are often among the first signs and symptoms of pregnancy.