Nevertheless, even the barest presence of the gas demands an explanation. (scientificamerican.com)
Given that the digestive system of the baby is not wholly matured, gas will be built up in their stomachs; and the presence of gas causes the baby to blubber and shed tears due to pain. (newkidscenter.com)
Especially important is the presence of the gas giant: Leading theories hold that Jupiter and Saturn were key to shaping the architecture of our solar system, migrating close to the sun and sweeping out orbital debris that might have otherwise destroyed any chance of life on the inner planets. (sciencemag.org)