... The sky is full of hydrogen, though it can take a sensitive camera and telescope to see it. For example, this twelve-degree-wide view of the northern part of the constellation Cygnus reveals cosmic clouds of hydrogen gas along the plane of our Milky Way galaxy. ... From the windswept peak of Mauna Kea, on the Big Island of Hawaii, your view of the world at night could look like this. ... The Fox Fur Nebula from CFHT . ... Running Messier s Marathon . ... A Protected Night Sky Over Flagstaff . ...